marialeyva9755 marialeyva9755

14-01-2021
Mathematics

contestada

If x =3 then y=21 what is the value of x when y=105

Respuesta :

28lakhania 28lakhania

14-01-2021

Answer:

15

Step-by-step explanation:

21/3=7

x=y/7

so 105/7=x

the answer is 105/7=15

Answer Link

bluegreen24 bluegreen24

14-01-2021

Answer: x = 15

Step-by-step explanation: Proportions.

3/21 = x/105 (cross multiply)
105*3 = 21x (simplify)
315 = 21x (divide)
15 = x

Answer Link

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