Question

The temperature of an oven went from 360° to 280°.

What was the percent decrease in temperature to the nearest percent?

A.
22%

B.
29%

C.
80%

D.
130%

Answer 1

@ROBLOX

Answer 2

initial-final/ initial
360-280/ 360
22%

Answer 3

first worl out the difference 360 - 280 = ?

Answer 4

\(percent~change = \dfrac{new~value - old~value}{old~value} \times 100\)

Answer 5

When the percent change is negative, it is a percent decrease.
When it is positive, it is a percent increase.

Answer 6

it's c i know

Answer 7

it is b

Answer 8

360-280 is 80 then 80/360 is .22 then .22 x 100 is 22%

Answer 9

no it's c i'm sure trust me

Answer 10

do this equation \[\frac{ 280-360 }{280} \times 100\]

Answer 11

then round to the nearest percent

Answer 12

it would be divided by 360 but ok :)

Answer 13

well divideding would be 1.285714286

Answer 14

right