To do this you would have to do $2.00 times 1 1/4 to get the price of roast beef and $1.50 times 2 1/2. 1)To make it easier change the fractions to decimals. (1.25)&(2.5) 2) Then do $2.00(1.25) to get $2.50 for roast beef 3) Then do $1.50(2.50) to get $3.75 for turkey 4)then add them together 5)3.75+2.50=$6.25