6. Diego has 90 songs on his playlist. How many songs are there for each genre?
a. 40% rock
b. 10% country
c. 30% hip-hop
d. The rest is electronica
7. A garden hose emits 9 quarts of water in 6 seconds. At this rate: a. How long will it take the hose to emit 12 quarts?
. How much water does the hose emit in 10 seconds?
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Step-by-step explanation:
40%of 90 = (40/100)*90 = 4*9 = 36
10% of 90 = 10/100*90 = 1*9=9
30%. of 90 = 30/100*90=3*9=27
rest
20% of 90 = 20/100*90 = 18
a) time taken for 9 quarts =6
time for 1 quart = 6/9
so
time for 12 =(6/9)*12= 8 sec
b no quats in 6 sec = 9
in 1 sec is 9/6
in 10 sec (9/6)*10 = 15
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