2 of 10p, 2 of 5p and 3 of 2p.
2 of 10 2 of 5 3 of 2
10p×2=20p 5p×2=10p 2p×3=6p Total is 36p in 7 coins
A household has some goldfish, some canaries and some rabbits. Altogether there are 15 heads and 26 legs. How many of each animal could there be?