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masha68 [24]
4 years ago
14

Rick and myra collects stamps. Rick has 150 fewer stamps than Myra. Together they have collected 500 stamps. How much stamps doe

s each person have in their collection.
Mathematics
1 answer:
Aleks04 [339]4 years ago
5 0
If Myra has m stamps, then Rick has m-150.

Together, they have 500.

Therefore, m+m-150=500
2m-150=500
2m=650
m=325.

Therefore, Myra has 325 stamps, and Rick has 175 (325-150).

Hope this helps you:)
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You have to multiply 7 by 19. Which equation uses the Distributive Property to take this problem apart?
grigory [225]

Answer: Choice A

7(10+9) = 70 + 63

============================

Explanation:

when we multiply 7 by 19, we start off multiplying just 7*9 = 63 so just focus on the units or ones digit of 19 to have it multiply with 7. We have 63 as the result so we write down "3" as part of the answer, and carry the 6.

Then you move onto the tens digit. The tens digit of 19 is 1. Multiply 1 by 7 and we get 7, which adds on to the carry digit 6 to get 7+6 = 13. Therefore we'll stick a 13 in front of the 3 we got earlier to end up with the final answer 133

---------------

Using the distribution rule is much easier in my opinion

19 = 10+9

7*19 = 7*(10+9)

7*19 = 70+63

7*19 = 133

The idea is to multiply the outer 7 by each term inside the parenthesis

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So we multiplied the 7 by the 10 first to get 7*10 = 70

Then did the same for the 9 term as well 7*9 = 63

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4 0
4 years ago
Read 2 more answers
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