G7 Midterm Revision Test

1. In Lucy’s class there are 12 boys and 18 girls. Write the ratio of girls:boys in its simplest form.

A. What value of t makes the expression 3t,6t - 6, and 2t + 2 equal?

Due to gravity, objects weigh five times as much on Earth as they do on Venus. Suppose

the weight of an object on Venus is V. Which expression represents the object’s weight on

Earth? How much would an object weigh on Earth if it weighs 50 pounds on Venus?

Dan sold 550 sandwiches to raise money for his boy scout troop. Eighty percent of

those sandwiches were sold in his neighborhood. How many sandwiches did Dan sell

in his neighborhood?

How do you write this expression: 6 more than the product of x and 5

• 6 + 5X

• 5x + 6

• 6X - 5

• 5 - 6X

5w = 450

Due to gravity, objects weigh five times as much on Earth as they do on Venus. Suppose

the weight of an object on Venus is V. Which expression represents the object’s weight on

Earth? How much would an object weigh on Earth if it weighs 50 pounds on Venus?

If x + 5 = -2, the numerical value of -2x - 6 is ______.

Six slices of pizza cost 270 baht. At this rate, find the amount of 12 slices of pizza cost.

A carpet store advertises 20 square yards of carpeting for $650, which includes the

$50 installation change. Write the equation and determine the cost of one square yard

of carpet x?