How can the answer me 9x9x8x7 if you are not supposed to repeat digits?

4,536

Step-by-step explanation: Multiply your two 9's to get 81. Multiply your 8 and 7 to get 56. Multiply 81 and 56 together to get your answer of 4,536.

9 x 9 = 81

8 x 7 = 56

81 x 56 = 4,536

Use long multiplication to evaluate this equation.

I hope this helps you out! ♥

25

Step-by-step explanation:

60 = 15

100 = x

now cross multiply so 100*15 is 1500 now divide it by 60 which is 25