Answer:
Joan's older sister weighs 90 pounds
Step-by-step explanation:
x = older sister
x - 10 = Joan
(x + (x-10))/2 = 85
2x - 10 = 170
2x = 180
x = 90
Answer:
Hey there! The answer to your question will be below
Step-by-step explanation:
The answer to your question is -1/2
-1/2x + 1/4
= -1/2
Hope that helps
By:xBrainly
Answer:
3f×16
=36f
Step-by-step explanation:
f(x)=2x×fx
(substitute
=3f×16
=36f
Answer:
113
Step-by-step explanation:
113
Answer:
6.9, and it is greater by 0.195
Step-by-step explanation: