Same pattern as Noodle stalls — Uma's bowls. New numbers, new story. Try each one on paper, then check the working below — or watch it drawn out, the same way the problem above is.
Question 1
Four stalls at a charity bake sale sold cupcakes. Stall B sold 6 fewer cupcakes than Stall A. Stall C sold 3 times as many cupcakes as Stall A. Stall D sold 9 fewer cupcakes than Stall C. Altogether the four stalls sold 145 cupcakes. How many cupcakes did Stall D sell?
Work it out on paper, then check below. ▶ See the working
Question 2
Four volunteers collected recyclable cans for a school drive. Aiden collected 15 fewer cans than Mei. Farah collected 4 times as many cans as Mei. Devi collected 20 fewer cans than Farah. Altogether the four volunteers collected 265 cans. How many cans did Devi collect?
Work it out on paper, then check below. ▶ See the working
Question 3
Four classes sold tickets to the school concert. Class 6B sold 10 fewer tickets than Class 6A. Class 6C sold twice as many tickets as Class 6A. Class 6D sold 18 fewer tickets than Class 6C. Altogether the four classes sold 122 tickets. How many tickets did Class 6D sell?
Work it out on paper, then check below. ▶ See the working