Mathematics
Covdog
8

Which two numbers add up to ___ and multiply to ___?can you help me with all of these? what two numbers add to 10 and multiply to 16? What two numbers add to 11 and multiply to 18? What two numbers add to 12 and multiply to 20?

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(1) Answers
nevar

8+2= 10 8×2= 16 9+2= 11 9×2= 18 10+2= 12 10×2= 20 I check the product first by finding all the factors that multiply to get your number...Then it's pretty easy to see which of those factors add to your other number. For example... for 16 1×16 2×8 4×4 now you can easily see that 2+8= 10 and 2×8= 16

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