M.6.3.b: Solve unit rate problems including those involving unit pricing and constant speed. (e.g., If it took 7 hours to mow 4 lawns, then at that rate, how many lawns could be mowed in 35 hours? At what rate were lawns being mowed?)

Solve unit rate problems including those involving unit pricing and constant speed. (e.g., If it took 7 hours to mow 4 lawns, then at that rate, how many lawns could be mowed in 35 hours? At what rate were lawns being mowed?)

Example Problems
At the market, 8 apples cost $4.
How much do 9 apples cost?
At the market, 5 light bulbs cost $9.
How much do
7 light bulbs cost?
At a pet store, 8 dog treats cost $10.
How much do
9 dog treats cost?
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