You first set up a proportion
16/100 = x/90
then cross multiply 16*90
and 100*x
1440 = 100x
divide each side by 100
1440/100 = 100x/100
100 cancels out on the right side
the answer is
14.4=x
Answer:
7.78
Step-by-step explanation:
Answer:
a=6.9
Step-by-step explanation:
a(2)+4(2)=8(2)
4×4=16 8×8=64
16-16 64-16
a(2)=6.9
Caculator:
Press 2nd, press x2(close to bottom left)
6.92 PLEASE ROUND
6.92=6.9
a=6.9