Laura checked her outdoor thermometer and noticed that the temperature rose from 31 degrees in the morning to 45 degrees in the afternoon. what is the approximate percent increase for the day so far? the percent increase is 31%. the percent increase is 45%. the percent increase is 68%. the percent increase is 82%.

The increase in temperature was (45-31) degrees, or 14 degrees.

Set up the ratio 14/31 to obtain the fraction this increase represents:

0.452.  To obtain the percentage increase for the day, mult. this result by 100%, obtaining 45.2%.

The percent increase is approximately 45%.

Step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

the answer is stop cheating on things stoopid

step-by-step explanation:

im eatin up the 44