What is the percent increase or decrease between $7.80 and $6.63?

1 answer:

5 0

It is a 15% decrease.

Amount One: $7.80
Amount Two: $6.63

You’re looking for what percent of 7.80 is 6.63.

$7.80 * X = $6.63.
X = $6.63/$7.80
X = .85

So $6.63 is 85% of $7.80.

Percents are out if 100, so if you want to know what the percent difference is, subtract 85% from 100%.

100% - 85% = 15%.

As you’re going form $7.80 to $6.63, the number is getting smaller so it’s a decrease. Overall, it’s a 15% decrease from $7.80 to $6.63.

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When adding 32.6 to a certain number, the sum is 36.14, as seen below. What number should go in the box to complete the addition

allochka39001 [22]

The complete question in the attached figure

Let
x-----------> certain number

we know that

32.6 +x=36.14------------> x=36.14-32.6-----------> x=3.54

the answer is

<span>the number that must go in the box to complete the addition problem is 3</span>