Ratio:
Red : Total
2 : 5
(x2) (x2)
4 : 10
Green : Total
3 : 10
Total of red and green marbles = 4 + 3 = 7
Blue marbles = 10 - 7 = 3
10 parts = 40 marbles
1 part = 40 ÷ 10 = 4
3 parts = 4 x 3 = 12
Answer: There are 12 blue marbles.
Answer:
0.336 in^2
Step-by-step explanation:
Scale down all the proportions:
14 × 0.10 = 1.4
8 × 0.10 = 0.8
3 × 0.10 = 0.3
Multiply new proportions:
1.4 × 0.8 × 0.3 = 0.336
Hello suga (jk), answer is C .20 cents!! You just divide 3 by 15.
