Danny charges $18 for 2 hours of swimming lessons, Martin charges $80 for 5 hours of swimming lessons.
2 answers:
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Answer:
(-3+5)(1)=-3+5
Step-by-step explanation:
The multiplicative identity is 1.
The multiplicative identity property days that, if you multiply a real number by 1, that result is the same real number.
This is demonstrated in option B of the given alternatives, where we have:
The multiplication by did not change b the value.