Algebra - Set - 2 | SAT Math Section

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Mar 28, 2024

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A company that provides whale-watching tours takes groups of 21 people at a time. The company's revenue is 80 dollars per adult and 60 dollars per child. If the company's revenue for one group consisting of adults and children was 1,440 dollars, how many people in the group were children?

Difficulty: Medium

3

9

12

18

In the $xy$-plane, the graph of the linear function $f$ contains the points $(0,3)$ and $(7,31)$. Which equation defines $f$, where $y=f(x)$?

Difficulty: Medium

$f(x)=28x+34$

$f(x)=3x+38$

$f(x)=4x+3$

$f(x)=7x+3$

The number $y$ is 84 less than the number $x$. Which equation represents the relationship between $x$ and $y$?

Difficulty: Easy

$y=x+84$

y=\frac{1}{84}x

$y=84x$

$y=x-84$

At how many points do the graphs of the equations $y=x+20$ and $y=8x$ intersect in the $xy$-plane?

Difficulty: Medium

0

1

2

8

John paid a total of $\$165$ for a microscope by making a down payment of $\$37$ plus $p$ monthly payments of $\$16$ each. Which of the following equations represents this situation?

Difficulty: Easy

$16p-37=165$

$37p-16=165$

$16p+37=165$

$37p+16=165$

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