If 1 liter of milk is $17 3/4 we just need to find the cost for 7 2/5. Since we’re working with money we have to turn the $17 3/4 and 7 2/5 into a decimal so its ($17.75) and 7.40
Anyways we multiply those numbers to find the cost of 7 2/5 liters ( 17.75 x 7.40) and the answer is $131.35