Answer:
A. $2.00
Step-by-step explanation:
if they sold 20 t-shirts and made $40.
$40 ÷ 20 = $2
Electromagnetic waves are waves which can travel through the vacuum of outer space.
Answer:
U were 20% off
Ure estimate was 80%
Step-by-step explanation:
16/20 is 80%
100%-80% is 20%
1 to 45 is 45
90 divided by 2 is 45
135 divided by 4 is 45
180 divided by 4 is 45
all of them have the same relationship and a proportional to each other