Order of Operations

Which Expression can be used to represent the phrase "three times the sum of seven and ten"?

• 3+(7+10)

• 3-(7+10)

• 3x(7+10)

If Lisa travels an average of 65 miles per hour of 8 hours she will travel 8 x 65 miles. Which of the following is equal to 8 x 65?

• (8+60) x (8+5)

• (8+60) - (8+5)

• (8x60)+(8x5)

• (8x60)-(8x5)

• 1.5

• 3.3

• 5.5

• 7.1

Jerry has a coupon for $3 off the price of an item. If the original price of the shirt is 8 times $5, which expression tells Jerry's cost, before tax, when he uses the coupon?

The expression f-3 represents the number of years Mark has taken piano lessons when Fatima has taken lessons for f years. How many years of lessons will Mark have when Fatima has 9 years?

• 27

• 12

• 6

• 3

• Add 3 and 1

• Divide 12 by 3

• Add 7 and 12

• Subtract 7 from 8

• 22

• 30

• 112

• 116

The cost for n students to attend a workshop is 7n + 12 dollars. What is the cost for 6 students to attend?

• $25

• $54

• $126

• $156

Tennessee, New Mexico, and Michigan have a total of 27 representatives in the US House of Representatives. Michigan has 15 representatives and Tennessee has 3 times as many as New Mexico. How many representatives does the state of Tennessee have?