Same pattern as Muffins — the apple ones stay put. 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
A stationery shop had 200 more pencils than pens. After 100 pens were sold, the ratio of the number of pens to the number of pencils was 2 : 5. How many pencils were there?
Work it out on paper, then check below. ▶ See the working
Question 2
A farm had 150 more chickens than ducks. After 90 ducks were sold at the market, the ratio of the number of ducks to the number of chickens was 1 : 4. How many chickens were there?
Work it out on paper, then check below. ▶ See the working
Question 3
A toy store had 280 more toy cars than toy robots. After 140 toy robots were sold, the ratio of the number of toy robots to the number of toy cars was 2 : 7. How many toy cars were there?
Work it out on paper, then check below. ▶ See the working