Cross multiplication, 3(9+x) = 63
27+3x = 63
3x = 63-27 = 36
x=36/3=12
Let x be the number of red balloons and y the number of yellow balloons used, then
x + y ≥ 40
y ≥ 25
Answer: 15, 17 and 19
Step-by-step explanation:
15 + 17 + 19 = 51
Answer:
I can't see the side lengths so I can't answer it
Step-by-step explanation:
14 + 3 x 8 = 14 + 24 = 38
