a = apples
b = bananas = 2a
a + 2 a = 45
3 a = 45
a = 15
b = 2 a = 30
if there are 45 pieces of fruit and there are twice as many bananas as there are apples. How many of each kind of fruit are there?
2 answers
x + 2x = 45
3x = 45
x = 15
15 apples
30 bananas
3x = 45
x = 15
15 apples
30 bananas