Test on Evaluating and Translating Expressions

5 less than the product of 7 and s

• 7s - 5
• 5 - 7 + s
• 7(s - 5) 
• 5 - 7s

Five times Mike's age, a, increased by nine

• 5(a+9)

• 9(5+a)

• 9a+5

• 5a+9

12 less than 15 times n

• 12 - 15n
• 12n - 15
• 15n - 12
• 12 + 15n

125 decreased by a number

• 125 - n
• n - 125

A number minus 90

• n - 90
• 90 - n

m plus the product of 6 and n 

• m + 6n
• m - 6 + n
• 6m + n
• m + 6 + n 

14 less than the quantity k times 6 

• 6 - 14k
• 6k - 14
• 14k - 6
• 14 - 6k

5 less than the product of 7 and s

• 7s - 5
• 5 - 7 + s
• 7(s - 5) 
• 5 - 7s

Tom has $50 when he goes to the store. Which algebraic expression shows how much money Tom has left after buying something that costs d dollars?

• d - 50
• 50 - d
• d + 50
• 50d

Evaluate 4y if y = 3.

• 7

• 12