Answer:
yes, his answer is reasonable because three times twenty is sixty, and four times ten is forty. sixty plus forty is 100.
Step-by-step explanation:
3x20=60
4x10=40
40+60=100
Answer: 1/7
Step-by-step explanation: Seven possibilities and one outcome so it is 1/7
Answer:
180 2,2 from a to b
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Step-by-step explanation: