# Pears and oranges

There are 3 times as many pears as oranges. If a group of children receives 5 oranges each, there will be no oranges left over. If the same group of children receives 8 pears each, there will be 21 pears leftover. How many children and oranges are there?

c =  3
o =  15

### Step-by-step explanation:

p=3o
5c=o
8c+21=p

p=3•o
5•c=o
8•c+21=p

3o-p = 0
5c-o = 0
8c-p = -21

c = 3
o = 15
p = 45

Our linear equations calculator calculates it.
$o=15$

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