Let n be the common factor for the ratio 6:5. Then:
6n+5n=330
11n=330
n=30
aerobics=6n=180 min
weight training=5n=150 min
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Answer:
0.64
Step-by-step explanation:
7/11=0.63
0.63~~0.64
Let s be the scale factor then:
4s=10 and 6s=15
s=10/4 and s=15/6
s=5/2 and s=5/2
s=2.5
The scale factor is 2.5.
Answer:
y=9; z=16
Step-by-step explanation:
