7th Grade Math Test, Mod 6

Rob must pay 57 employees 72 dollars each for overtime. What is the BEST estimate for how much money Rob payed out?

Mathematical Equivalence

ON

Answer explanation

Convert the fractions into decimals and then combines all terms.

Mathematical Equivalence

ON

Which expression is equal to 19.5?

Answer explanation

Remember to use PEMDAS, so that all terms in parentheses must be solved first.

• 2.174

• 30

• -150

• -18

From Monday to Friday, Amelia drove 6 ⅚ miles to work and then 6 ⅚ back each day. On Saturday she drove a total of 14 miles, and on Sunday, she drove to the store and then back home. The store is 3 ⅓ miles away from her house. What expression can she use to figure out how many miles she drove over the whole week?

From Monday to Friday, Amelia drove 6 ⅚ miles to work and then 6 ⅚ back each day. On Saturday she drove a total of 14 miles, and on Sunday, she drove to the store and then back home. The store is 3 ⅓ miles away from her house. How much did she drive this week?

• 89 miles

• 55 miles

• 86 miles

• 24 miles

David owns a bakery where he sells muffins for $5.50 each. Today he sold 45 muffins. 3 muffins cost $2.70 to make. How much profit did David make selling muffins today?

• $627.75

• $126

• $239.40

• $207

Answer explanation

Since David sold 45 muffins at $5.50 each, he made $247.50 in revenue. However, he spent $40.50 to make the muffins, so he made $207 in profit.

Erin has $50.60 in her wallet. She is very hungry and finds herself in the mall food court during lunchtime. She bought 2 soft pretzels for $3.27, a burger and fries for $9.80, a soda for $0.98, and a rack of ribs for $20.07. Erin spent a total of​ (a)   on lunch, so she has​ (b)   left in her wallet afterwards.

• $37.39
• $13.21
• 16.48
• 34.12

Answer explanation

Erin spent a total of $37.39 on lunch, so subtracting that from $50.60, she has $13.21 left.

Kendrick owns a landscaping business and charges $3.20 per square foot to mow lawns. If a customer has a lawn that is 21¼ x 10 feet, how much money will Kendrick charge to mow it?

• $680

• $68

• $100

• $715

Answer explanation

Since the lawn is 21¼ x 10 feet, it is 212.5 ft². He charges $3.20 per square foot, so he makes a total of $680.