3 years ago

7 minutes to half an hour

Mathematics

2 answers:

Harlamova29_29 [7]3 years ago

6 0

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Orlov [11]3 years ago

3 0

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the sum of ava’s and grace’s ages is 35. Ava is one year less than three time Grace’s age. How old is Ava, x and Grace, y expres

pantera1 [17]

Answer:

Ava is 26 and Grace age is 9

Step-by-step explanation:

x=ava's age

y=grace's age

3y-1=x

x+y=35

Substitute 3y-1 to x+y=35 for the value of x to find grace age

3y-1+y=35

4y-1=35

+1 +1

4y=36

y=9 now substitute 9, the y value in 3y-1=x to find ava's age

3(9)-1=x

x=26

to verify; 26+9=35

true 35=35

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statuscvo [17]

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