The ratio of vans to cars is 2:5. The ratio to motorbikes is 2:3 in a parking lot. What is the ratio of the number of vans to th
2 answers:
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Answer:
b =
Step-by-step explanation:
Given
a = ( multiply both sides by 3b - 2 )
a(3b - 2) = b + 1 ← distribute left side
3ab - 2a = b + 1 ( subtract b from both sides )
3ab - b - 2a = 1 ( add 2a to both sides )
3ab - b = 1 + 2a ← factor out b from each term on the left side
b(3a - 1) = 1 + 2a ( divide both sides by 3a - 1 )
b =