##### The produce manager at the grocery store ordered twice as many pounds of apples

 Mathematics Tutor: None Selected Time limit: 1 Day

The produce manager at the grocery store ordered twice as many pounds of apples as oranges, and 20 pounds more strawberries than apples. He ordered 45 pounds of oranges.

The produce manager said he ordered 65 pounds of fruit. Is that calculation reasonable?

Jun 1st, 2015

A- pounds of apples

R - pounds of oranges

S - pounds of strawberries

1. A=2R

2. S=20+A

3. R=45

From 3 and 1. : A=2*45=90

From 2: S= 20+90=110

So 65 can't be right. The total number is 110+90+45=245

You can do it without solving the equations, as follows:

We have Oranges at 45 pounds and Strawberries is 20 pounds and more so right there you have 65 pounds. No even 1 apple more would prove that there are more than 65 and it says that there are twice as many apples as oranges - so 65 pounds is wrong for sure.

Jun 1st, 2015

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Jun 1st, 2015
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Jun 1st, 2015
May 26th, 2017
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