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lesya [120]
3 years ago
15

#20 please help ASAP that in advance

Mathematics
2 answers:
lianna [129]3 years ago
4 0

Answer:

10 2/15 hours

Step-by-step explanation:

If we have a candle that is 11 2/5 inches tall

It burns 1 1/8 inches per hour.  We need to divide to see how long the candle will last

11 2/5 ÷ 1 1/8

I will convert the mixed numbers to improper fractions

11 2/5 = (5*11+2)/5 = 57/5

1 1/8 = (8*1+1)/8 = 9/8

57/5 ÷ 9/8

Copy dot flip

57/5 * 8/9

456/45

Now we change it back to a mixed number

45 goes into 456  10 times with 6 left over

10 6/45

This simplifies to 10 2/15

Anestetic [448]3 years ago
3 0

Answer:

B 10 2/15 h

Step-by-step explanation:

1. Convert to improper fractions

a) 11 2/5 = 57/5

b) 1 1/8 = 9/8

2. Divide

3. You can use this link to divide or a calculator

https://www.calculatorsoup.com/calculators/math/fractions.php

Hope this helps

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