Zahra is anxious to save money on her utility bills and knows that changing the temperature of the water when she does laundry can help save money. Right now three-fourths of all her laundry is done with the hotter water. Use the table below to determine how much she currently pays in utility costs for laundry. Assume 1 load of wash per day.
Clothes washer w/electric water heater Cost per load
Hot wash & warm rinse 71 cents per load
Warm wash & cold rinse 25 cents per load
If she cuts down the amount of laundry that she does in hot water to one-half, about how much will she save every year?
a. $65 each year
b. $42 each year
c. $23 each year
d. $392 each year