Homework Feb.8

The student council needs to earn at least $200 on their bake sale fundraiser. Which inequality below shows the amount of money they need to earn?

• x > 200

• x < 200

• x ≥ 200

• x ≤ 200

Solve for f. f/18=2

• 36

• 9

• 16

• 20

Find the area of a square if one of the side lengths is 14cm.

• 38,416 cm²

• 28 cm²

• 56 cm²

• 196 cm²

Which expression is equivalent to 15x + 21y?

• 3(5x + 7y)

• xy(15+21)

• 3xy(5+7)

• 5(3x+4y)

Vance bought some 4 pounds of grapes at the store for $11.92. What is the unit rate (price for 1 pound)?

• $47.68

• $2.98

• $3.89

• $3.00

2 2/3 ÷ 3/4

• 2

• 3 1/9

• 3

• 3 5/9

Of the students in the cafeteria, 40% are girls. There are 20 girls in the cafeteria. How many students are in the cafeteria?

• 20

• 60

• 50

• 30

Find the LCM of 4 and 9.

• 72

• 36

• 18

• 9

Mr. Chan pays $8 to fill a 2-gallon can with gas for his lawn mower. At this rate, how much will Mr. Chan pay to put 13 gallons of gas in his car.

• $52

• $4

• $17

• $9

Yesterday Sarah played ball for m minutes. Today she played for ten less than three times the number of minutes she played yesterday. Which expression represents the number if minutes Sarah played today?

• 10 - 3m

• 3m - 10

• m - 3(10)

• 3(m - 10)