Sylvie is going on vacation. She has already driven 63 miles in one hour. Her average speed for the rest of the trip is 61 miles per hour.
How far will Sylvie have driven 3 hours later?
PLEASE HELP ILL GIVE BRAINIEST AND 5 STARS

181 miles

Step-by-step explanation:

Since she is going at 63 mph for the first mile, that speed is affecting her average speed for the whole trip. To average it out, replace 1 of the hours she drove with a 59 mph speed.

First hour 59 mph, second and third 61 mph

59+61+61=181

there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1

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step-by-step explanation:

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