Equations

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SSAT Middle Level Quantitative › Equations

Questions 1 - 10
1

Solve for :

Explanation

Add 45 to both sides:

2

Solve for :

Explanation

Add 45 to both sides:

3

James bought candy using a 10 dollar bill and received dollars in change. Which of the following describes how much James paid for the candy?

Explanation

The amount of change given after a purchase is the amount the customer pays minus the cost of the item. So the cost of the item is the amount the customer pays minus the amount of change received.

4

James bought candy using a 10 dollar bill and received dollars in change. Which of the following describes how much James paid for the candy?

Explanation

The amount of change given after a purchase is the amount the customer pays minus the cost of the item. So the cost of the item is the amount the customer pays minus the amount of change received.

5

If

,

then =

Explanation

So order of operations says to do what's in the parentheses first. Thus

Thus the left side of the equation is 15. Subtract 5 from both sides to determine what the is.

.

6

If

,

then =

Explanation

So order of operations says to do what's in the parentheses first. Thus

Thus the left side of the equation is 15. Subtract 5 from both sides to determine what the is.

.

7

Solve for :

Explanation

8

Solve for :

Explanation

9

The difference between 30 and the product of 5 and 3 is

Explanation

Order of operations says to multiply 5 and 3 first. Thus we are looking for the difference between and or and .

10

If , then

Explanation

Plug in 3 where you see and 2 where you see to get . This equals 7.

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