[Question]: Jolene wants to raise some money to buy a bicycle. She babysits for 4 families for $30 each. She also washes 5 neighbors' cars for $12 each. How much did she raise so far?
[Answer]: For babysitting, Jolene raises 4 x $30 = $120. For car washing, she raises 5 x $12 = $60. So far, she has raised $120 + $60 = $180.
So the answer is 180.

[Question]: Joseph drives his car at 50 mph for 2.5 hours. Kyle drives his car at 62 mph for 2 hours. How many more miles does Joseph drive than Kyle?
[Answer]: Joseph travels for 50 * 2.5 = 125 miles. Kyle travels for 62 * 2 = 124 miles. Joseph drives for 125 - 124 = 1 mile more than Kyle.
So the answer is 1.

[Question]: A housewife goes to the market. She spent 2/3 of her $150. How much does she have left?
[Answer]:
The housewife has 3 / 3 - 2 / 3 = 1 / 3 of $150 left. This means she has $150 * (1 / 3) = $50 left.
So the answer is 50.