Don’t listen to the links people -_- they mad annoying
D 80
32/40 *100
Precent proportions
32/x = 40/100
Cross multiply
Step-by-step explanation:
4x+2x+x+9x=16x
16x=2+5+4=11
x=11
Subtract 36 from both sides making it: -4c-3c=-14
Now subtract -4c and 3c making it: -7c=-14
Now divide by -7 on both sides making it: c=2
There you go
