kathryn1727 kathryn1727

07-09-2021
Mathematics

contestada

1. The fractions
below are all
equivalent. Find the
values of n t and k.
3/7 12/n t/21 k-1/2k+10

Respuesta :

Mekhala Mekhala

07-09-2021

Answer:

3/7 =12/n

3n=7×12

3n=84

n=84÷3

n=28

3/7= t/21

3×21=7t

63=7t

t=63÷7

t=9

3/7 =k-1/2k+10

3(2k+10)=7(k-1)

6k+30=7k-7

k=37

Step-by-step explanation:

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