Suppose a+b=10 and the value of a increases by 1. If the sum remains the same, what must happen to the value of b?

Question

asked Oct 21, 2021 138k views

1 Answer

Eylay · Answer 1 · 2021-10-25T18:48:26+0000

Answer:

decreases by

Explanation:

If the value of
increases by
and the sum remains the same, then the value of
decreases by
.

Example:

Suppose
a=7 and
b=3 .

a+b = 10

b = 10-a (minus
on both sides)

Now, let
a = 8 (
has increased by
):

b = 10-8

From the comparison of the previous value of
to the current value of
, the value of
has decreased by
.

Hope this helps :)