ACT Math : Whole and Part
Study concepts, example questions & explanations for ACT Math
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Example Questions
Example Question #1 : Whole And Part
On Friday night, Maria sells 
Friday: 
Saturday: This means that 
By the end of Saturday, 
Example Question #421 : Arithmetic
Michael Phelps’ workout program consists of Aerobics, Bench Presses, and Cycling. Aerobics and Bench Presses take a total of 24 minutes, Bench Press and Cycling take a total of 40 minutes, and the entire workout takes a total of 56 minutes. How many minutes are required for the Bench Press portion of his workout?
16 minutes
8 minutes
4 minutes
40 minutes
32 minutes
8 minutes
To find your answer, we would use substitution within a system of equations. If (A+B) +C = 56, we can replace (A+B )= 24 to get (24) + C = 56, Thus making C = 32. Then we can replace C with 32 in the equation B+C = 40, thus making B + (32) = 40 to get an answer of 8.
Example Question #1 : How To Find The Whole From The Part With Fractions
A wedding planner knows she must deliver 85 small fruits and 40 large fruits to the wedding event. She knows that one basket can hold either 5 small fruits or 3 large fruits. What is the minimum number of baskets she must bring to the event to fulfill their demand?
To know the minumum number of baskets required for each size, simply divide the number of fruits required by the basket capacity for each fruit:
Since we need to bring both the large and small fruits to the event, we need to add these two values: 
Example Question #1 : How To Find The Whole From The Part With Fractions
After saving her money for six weeks, Felicia has saved up 
Cannot be determined from the information provided
When working with fractions or percents, it is often really helpful to write out an equation showing what you need to find. In this case, we know that three-fifths of Felicia's weekly pay (our variable—let's call it 
So, we want to simplify and rearrange this equation. Start by multiplying the 
Then, multiply both sides by 
So, 
Example Question #3 : How To Find The Whole From The Part With Fractions
A company needs 45 pounds of apples to make 30 containers of apple juice. How many pounds of apples would the company need to make 20 containers of apple juice?
To answer this question, we need to set up a proportion for how many pounds of apples it takes to make a certain number of containers, knowing that 45 pounds of apples makes 30 containers of apple juice. We want to figure out how many pounds of apples it would take to make 20 containers of apple juice.
To set up a proportion, we must put the amounts that correspond to each other in the same fraction and equate it to a similar fraction. In this case, we will set up fractions that show containers of apple juice over pounds of apples. So for this data:
Note that we put both of the values for containers of apple juice in the numerator of the fractions and pounds of apples in the denominator. Here, 
We then cross-multiply by taking the denominator of each fraction and multiplying each side of the equation by it so that we can create an equation that is solved easier.
Therefore, it takes 
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