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%

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%

anonymous · Answer

@ROBLOX

anonymous · Answer

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

welshfella · Answer

first worl out the difference 360 - 280 = ?

mathstudent55 · Answer

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

mathstudent55 · Answer

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

anonymous · Answer

it's c i know

anonymous · Answer

it is b

anonymous · Answer

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

anonymous · Answer

no it's c i'm sure trust me

anonymous · Answer

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

anonymous · Answer

then round to the nearest percent

anonymous · Answer

it would be divided by 360 but ok :)

anonymous · Answer

well divideding would be 1.285714286

anonymous · Answer

right

welshfella · Answer

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