Mathematics: Amy has two older brothers. ben is 3 years older than amy. chris is 10 years older than ben. the total of their ages is 73. form an equation and use it to work out amy s age.

Amy has two older brothers. ben is 3 years older

Ответ:

mccdp55

17.01.2022

Mathematics

73-(10+3)=60 you have to add 7 and 3 first, then you subtract it from 73

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Ответ:

jo1720

17.01.2022

Mathematics

Amy's age=x
ben's age=x+3
chris' age=x+3+10
x+x+3+x+3+10=73
3x+16=73
3x=73-16
3x=57
x=19
Amy is 19 years old

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Ответ:

guazet7650

16.04.2021

Mathematics

simple 80 pieces in 1 sercing so 80*47=3760+20=3780

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Amy has two older brothers. ben is 3 years older than amy. chris is 10 years older than ben. the total of their ages is 73. form an equation and use it to work out amy's age.

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