ISEE Middle Level Math : Equations

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #231 : How To Find The Solution To An Equation

Solve for \(\displaystyle n\):

\(\displaystyle 69n=414\)

Possible Answers:

\(\displaystyle 8\)

\(\displaystyle 2\)

\(\displaystyle 13\)

\(\displaystyle 6\)

\(\displaystyle 5\)

Correct answer:

\(\displaystyle 6\)

Explanation:

To solve, divide each side by 69:

\(\displaystyle 69n\div 69=414\div 69\)

\(\displaystyle n=6\)

Answer: \(\displaystyle 6\)

Example Question #232 : How To Find The Solution To An Equation

Solve for \(\displaystyle f\):

\(\displaystyle 23f=276\)

Possible Answers:

\(\displaystyle 11\)

\(\displaystyle 12\)

\(\displaystyle 23\)

\(\displaystyle 16\)

\(\displaystyle 14\)

Correct answer:

\(\displaystyle 12\)

Explanation:

To solve, divide each side by 23:

\(\displaystyle 23f\div 23=276\div 23\)

\(\displaystyle f=12\)

Answer: \(\displaystyle 12\)

Example Question #233 : How To Find The Solution To An Equation

Solve for \(\displaystyle g\):

\(\displaystyle 78g=390\)

Possible Answers:

\(\displaystyle 5\)

\(\displaystyle 3\)

\(\displaystyle 15\)

\(\displaystyle 7\)

\(\displaystyle 4\)

Correct answer:

\(\displaystyle 5\)

Explanation:

To solve, divide each side by 78:

\(\displaystyle 78g\div 78=390\div78\)

\(\displaystyle g=5\)

Answer: \(\displaystyle 5\)

Example Question #234 : How To Find The Solution To An Equation

Solve for \(\displaystyle k\):

\(\displaystyle 52k=416\)

Possible Answers:

\(\displaystyle 29\)

\(\displaystyle 9\)

\(\displaystyle 7\)

\(\displaystyle 8\)

\(\displaystyle 6\)

Correct answer:

\(\displaystyle 8\)

Explanation:

To solve, divide each side by 52:

\(\displaystyle 52k\div 52=416\div52\)

\(\displaystyle k=8\)

Answer: \(\displaystyle 8\)

Example Question #231 : Equations

Solve for y:

\(\displaystyle 76y= 380\)

Possible Answers:

\(\displaystyle 6\)

 \(\displaystyle 10\)

\(\displaystyle 7\)

\(\displaystyle 5\)

\(\displaystyle 8\)

Correct answer:

\(\displaystyle 5\)

Explanation:

To solve, divide each side by 76:

\(\displaystyle 76y\div 76= 380\div 76\)

\(\displaystyle y=5\)

Answer: \(\displaystyle 5\)

Example Question #232 : Equations

Solve for z:

\(\displaystyle 44z= 308\)

Possible Answers:

\(\displaystyle 7\)

\(\displaystyle 5\)

\(\displaystyle 44\)

\(\displaystyle 6\)

 \(\displaystyle 10\)

Correct answer:

\(\displaystyle 7\)

Explanation:

To solve, divide each side by 44:

\(\displaystyle 44z\div 44= 308\div 44\)

\(\displaystyle z=7\)

Answer: \(\displaystyle 7\)

Example Question #237 : How To Find The Solution To An Equation

Solve for b:

\(\displaystyle 16b=176\)

Possible Answers:

\(\displaystyle 160\)

\(\displaystyle 12\)

\(\displaystyle 10\) 

\(\displaystyle 16\)

\(\displaystyle 11\)

Correct answer:

\(\displaystyle 11\)

Explanation:

To solve, divide each side by 16:

\(\displaystyle 16b\div 16= 176\div 16\)

\(\displaystyle b=11\)

Answer: \(\displaystyle 11\)

Example Question #238 : How To Find The Solution To An Equation

Solve for p:

\(\displaystyle 9p=144\)

Possible Answers:

\(\displaystyle 128\)

\(\displaystyle 11\)

\(\displaystyle 16\)

\(\displaystyle 20\) 

\(\displaystyle 18\)

Correct answer:

\(\displaystyle 16\)

Explanation:

To solve, divide each side by 9:

\(\displaystyle 9p\div 9= 144\div 9\)

\(\displaystyle p=16\)

Answer: \(\displaystyle 16\)

Example Question #1637 : Hspt Mathematics

Solve for s:

\(\displaystyle 11s=231\)

Possible Answers:

\(\displaystyle 20\)\(\displaystyle 19\)

 \(\displaystyle 11\)

\(\displaystyle 21\)

 \(\displaystyle 20\)

\(\displaystyle 10\)

Correct answer:

\(\displaystyle 21\)

Explanation:

To solve, divide each side by 11:

\(\displaystyle 11s\div 11= 231\div 11\)

\(\displaystyle s=21\)

Answer: \(\displaystyle 21\)

Example Question #1638 : Hspt Mathematics

Solve for \(\displaystyle y\):

\(\displaystyle 110y=550\)

Possible Answers:

\(\displaystyle 10\)

\(\displaystyle 12\)

\(\displaystyle 9\)

\(\displaystyle 5\)

\(\displaystyle 8\)

Correct answer:

\(\displaystyle 5\)

Explanation:

To solve, divide each side by 110:

\(\displaystyle 110y\div 110=550\div 110\)

\(\displaystyle y=5\)

Answer: \(\displaystyle 5\)

 

 

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