Malcolm bought dog food bowls to give away as prizes at a dog lovers event. the plastic bowls cost $6 each and the stainless steel bowl costs $10.50 each. malcolm bought 7 plastic bowls and spent a total of $136.50 on prizes. how many stainless steel bowls did malcolm buy?

(6)(7) = 42, which is how much he spent on the plastic bowls.
take the total of money spent and subtract how much ALL SEVEN of the PLASTIC bowls cost, then divide by 6 to get the amount of steel bowls bought. like shown:
136.50 - 42 = 94.5
94.5 / 10.50 = 9
So, Malcom bought o stainless steel dog bowls.

25 %

Because 1/4 of 100 is 25