Debbie needs to fill juice cups for her little brother's birthday party. There are 20 juice cups and each juice cup holds 10 fluid ounces. The juice comes in 1-gallon bottles. How many 1-gallon bottles of juice will Debbie need to purchase? (1 quart = 32 fluid ounces, 1 gallon = 4 quarts)

she would need to buy at least 2 gallons of juice but she would have a little left over

20 juice cups(each juice cup holds 10 fluid ounces)=20*10 ounces so, you need to purchase: 200/128=1.562 gallons= 2 bottles of juice each containing one gallonsAnswer: 2 bottles of juice for her little brothers birthday party