Answer:
$273
Step-by-step explanation:
$3900= 100%
$39 = 1%
39(1%)*7= $273 (7%)
4/10= 8/20, 2/5. For 8/20 u multiply 2 times and for 2/5 u divide by 2
Hope that helps u
Answer:
65
Step-by-step explanation:
Base by High
then divided by 2
I am not sure but wouldn't it be y=3x-6 and y=4x-7