What's 90 increased by 60%

Mathematics

2 answers:

lozanna [386]3 years ago

5 0

Answer:

$144$ is the increased number.

Step-by-step explanation:

The first step would be to turn the percentage into a decimal. To do that, divide it by 100.

$60 / 100 = .6$

Then, multiply that by 90.

$.6 * 90 = 54$

Add both together to get the increased price.

$90+ 54 = 144$

:)

ANTONII [103]3 years ago

5 0

It’s 144 because some steps later you get 54+90 which equals 144

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11/15 minus 1/3 in simplified form

Mrac [35]

Answer:

$\frac{2}{5}$

Step-by-step explanation:

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3 years ago

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One light-year equals 5.9 x 1012 miles. How many light-years are in 6.79

inna [77]

Option B

The number of light years in $6.79 \times 10^{16}$ miles is 11508 light years

Solution:

Given that,

One light-year equals 5.9 x 10^12 miles

Therefore,

$1 \text{ light year } = 5.9 \times 10^{12} \text{ miles }$

To find: Number of light years in $6.79 \times 10^{16}$ miles

Let "x" be the number of light years in $6.79 \times 10^{16}$ miles

Then number of light years in $6.79 \times 10^{16}$ miles can be found by dividing $6.79 \times 10^{16}$ miles by miles in 1 light year

$\text{Number of light years in } 6.79 \times 10^{16} miles = \frac{6.79 \times 10^{16}}{5.9 \times 10^{12}}\\\\\text{Use the law of exponent }\\\\\frac{a^m}{a^n} = a^{m-n}\\\\\text{Number of light years in } 6.79 \times 10^{16} miles = \frac{6.79}{5.9} \times 10^{16-12}\\\\\text{Number of light years in } 6.79 \times 10^{16} miles = 1.1508 \times 10^4\\\\\text{Number of light years in } 6.79 \times 10^{16} miles = 11508$