Lucia has 3.5 hours left in her work day as a car mechanic. Lucia needs 1/2 of an hour to complete one oil change. How many oil changes can Lucia complete during the rest of her work day

X+ y = 5 ; x - y =3 solve using linear combination

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.

Ineed here’s a picture of the question