15 liters increased by 60%
To find 15 L increased by 60%, we do:151000 = 15 00015 000 0.6 = 9 00015 000 + 9 000 = 24 00024 000 / 1 000 = 24 L15 L increased by 60% is 24 L
so find 60% and add that to 15percent means partst ouf ot 10060%=60/100=6/1=3/560 percent of 15'of' means mulitply60% times 153/5 times 1545/59add that to 1515+9=24answer is 24 liters