Three boys have twenty walnuts between them. Billy has three more walnuts than Alan, but five fewer than Charlie. How many walnuts do they each have?
Billy=(a+3) Alan = a Charli = (a+3+5) 20= a+(a+3)+(a+3+5) 20=3a+11 a=(20-11)/3 a=3 Alan= 3 Billy=3+3=6 Charli=3+3+5=11 3+6+11=20
I have more than two animals at home. All of them are Dogs, except for two. All of them are Cats, except for two. All of them are Hamsters, except for two. What kinds of animals and how many of each animal do I have ?
Jatin and Sai both have some peaches. If Jatin give Sai an peach, they will both have the same number of peaches. However, if Sai gives Jatin an peach, Jatin will have twice as many as Sai. How many peaches do Jatin and Sai each have ?
A spider has 8 legs. A dragonfly has 6 legs and 2 pairs of wings. A cicada has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings.
How many insects do we have of each kind?
