If 7 minutes is $2.45, then 13 minutes is $4.55 cuz 1 minute is 0.35 cents
A / B
= 80 / 8
= 10
Therefore the answer is 10
Answer:
1/9
Step-by-step explanation:
1/3*1/3=1/9
Answer:
16 year olds had the higher ratio of black belts to brown belts.
Step-by-step explanation:
15 year olds: 8/28 students had black belts
8/28 = 28.6% had black belts
16 year olds: 10/27 students had bald belts
10/27 = 37.0% had black belts