You would subtract 90% and 35% and get 55%. You subtract that by 20 and yiu will have 35% of the 90% mixture
The family needs 4 days to cover 1,400 miles
Answer:
0.6
Step-by-step explanation:
9 is the numerator and 15 is the denominator
divide 9 ÷ 15
which is 0.6
Answer:

<h3><u>(20+15x)</u> is the right answer.</h3>