Question

What is the value of y in the equation 6.4x+2.8y=44.4,when x=3?​

Answer 1

y = 9

Explanation:

6.4x + 2.8y = 44.4

6.4(3) + 2.8y = 44.4

19.2 + 2.8y = 44.4

2.8y = 25.2

y = 9