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Q: What is 28x87 using compatible numbers?

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568-342 using compatible numbers = 226

Estimate 43/81 by using compatible numbers

535.6 divided by 35 using compatible numbers = 15.302857142857144

The best way to estimate a quotient using compatible numbers is to first understand how compatible numbers work. They are numbers that are close in value to the actual numbers and are easily added, subtracted or divided.

Ha, made you look

Umm you divide...

70.013

84.9523

6.9877

231/34

2025.25

:(

2

25x80 < 28x87 < 30x90 --> 2000 < 28x87 < 2700?

0.011

i think it is 28x26

1.125

6.6184

2025.25

Using 132 and 24, it is 11/2 = 5.5

What does compatible numbers mean?

498 rounds to 500

94

300 + 60

23.3043