The ratio of blue marbles to white marbles in Simran's bag is equal to 1 to 2. If there are 20 blue marbles how many white marbl
es are there?
1 answer:
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Answer:
x = 45
Step-by-step explanation:
Corresponding sides of similar triangles will be in same ratio.
Cross multiply
x*28 = 20*(x+18) {Use distributive method}
28x = 20x + 360
28x - 20x = 360
8x = 360
x = 360/8
x = 45