Mathematics

Mathematics, 20.07.2019 04:00, desiree98

Solve the problem and explain how estimation could be used to make sure the answer is reasonable. olivia bought some bananas for $3.55 and some ice cream for $3.25. about how much change did olivia get from $10.00? a. olivia got $3.20 in change. estimation: 3.55 + 3.25 is about 7. $10 – $7 = $3 olivia got about $3 in change. b. olivia got $3.50 in change. estimation: 3.55 + 3.25 is about 7. $7 ÷ 2 = $3.50 olivia got about $3.50 in change. c. olivia got $16.80 in change. estimation: 3.55 + 3.25 is about 7. $10 + $7 = $17 olivia got about $17 in change.

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Mathematics, 26.07.2019 09:30, hebiancao

Which statement about the best estimation strategy for this problem is correct? ms. levy paid $189 for a hotel room and she bought two concert tickets priced at $99 each. how much money did ms. levy spend altogether? a student answered that ms. levy spent $576. a. ($200 + $100) × 2 = t the student's answer was reasonable. b. $200 + (2 × $100) = t the student's answer was not reasonable. c. $200 + ($100 ÷ 2) = t the student's answer was not reasonable. d. ($200 × 2) + $100 = t the student's answer was not reasonable.

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Mathematics, 30.09.2019 15:00, brad59

Which statement about the oncebest estimation strategy for this problem is correct? ms. levy paid $189 for a hotel room and she bought two crt tickets priced at $99 each. how much money did ms. levy spend altogether? a student answered that ms. levy spent $576. a. ($200 + $100) × 2 = t the student's answer was reasonable. b. $200 + (2 × $100) = t the student's answer was not reasonable. c. $200 + ($100 ÷ 2) = t the student's answer was not reasonable. d. ($200 × 2) + $100 = t the student's answer was not reasonable.

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Mathematics, 10.10.2019 10:00, chem1014

Solve this problem. brianna paid $18.89 for a pair of sandals. she bought a pair of hiking boots that cost $12 more than her sandals. how much did brianna pay for the two pairs of shoes? how can estimation be used to make sure the answer is reasonable? a. brianna paid $42.89. estimation: $19 + $12 = $31 $31 + $12 = $43 brianna paid about $43 for the shoes. b. brianna paid $25.78. estimation: $19 – $12 = $7 $19 + $7 = $26 brianna paid about $26 for the shoes. c. brianna paid $49.78. estimation: $19 + $12 = $31 $31 + $19 = $50 brianna paid about $50 for the shoes.

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