1 P4.WN.NK.22120209
Level 3
Adrian had 3 coins and Alex had 6 coins. Their coins consisted of 20¢ coins and 50¢ coins. When all their 50¢ coins were exchanged for 20¢ coins, they had a total of 15 coins. How many 20¢ coins did they have at first?
4 m
Money Make supposition
2 P6.RD.JC.21031701
TRY FOR FREE
Level 2
A carpark has some motorbikes and cars. The ratio of the number of vehicles to the number of wheels is 8 : 23. Express the number of motorbikes as a fraction of the number of cars. Give your answer in the simplest form.
2 m
Attempt
Fraction of a set Equivalent ratio Make supposition
3 P6.RD.JC.18090601
Level 2
At a club dinner, every member brought 1 or 2 guests. If the ratio of the number of members to the number of guests was 3 : 5, what fraction of the members who brought 2 guests each?
2 m
Fraction of a set Ratio to units Make supposition
4 P3.ST.JC.18120935
Level 3
Adam has 15 chicks and puppies.
These animals have 40 feet in all.
How many (a) chicks and (b) puppies does Adam have?
4 m
Make supposition
5 P3.ST.JC.18120936
Level 3
Adam has a total of 15 chicks and puppies.
The number of puppies' legs is 12 more than the chicks' legs.
How many (a) chicks and (b) puppies does Adam have?
4 m
Make supposition

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