Question

The product of two rational numbers is -21/40. If one of the number is 7/5 then the other number is:​

Answer 1

Answer:

-3/8

STEP-BY-STEP-EXPLANATION:-

let no. be x

other no. =7/5

x×7/5=-21/40

x=-21/40÷7/5

x=-21/40×5/7

x=-21×5/40×7

x=-3/8

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