158k views
1 vote
Simplify the expression-3÷(-2/5)​

User Oremj
by
5.2k points

2 Answers

7 votes

Answer:

15/2 or 7.5

Explanation:

-3÷ (-2/5)

The reciprocal of -2/5 is -5/2

So we multiply -3 into the reciprocal of the fraction and we can get the same answer

Therefore,

-3÷(-2/5)

= -3x -5/2

= (-5x-3)/2

(Two negatives become a positive)

= 15/2 in fraction form

And 7.5 in decimal form

User Oula Alshiekh
by
5.7k points
3 votes

Answer:

Explanation:

(-3)÷(-2/5)

KFC method

Keep the first number, Flip the second number & Change division to multiplication


(-3)*(-5)/(2)=(15)/(2)


=7(1)/(2)\\

Count the number of negative sign.

If number of negative sign is even, then the result will be a positive number

Here 2 negative sign. So result will be an positive number

User Bharata
by
6.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.