Big Spender. Add, subtract, and multiply 6.3.5. Equivalent Ratios. Find Equivalent Ratios. Application Problem. Abby can buy an 8-pound bag of cat food for $7.40 or a 4-pound bag of the same cat food for $5.38. Which is the better buy?. Example 1a and 1b.
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Add, subtract, and multiply
Abby can buy an 8-pound bag of cat food for $7.40 or a 4-pound bag of the same cat food for $5.38. Which is the better buy?
A County Superintendent of Highways is interested in the numbers of different types of vehicles that regularly travel within his county. In the month of August, a total of 192 registrations were purchased for passenger cars and pickup trucks at the local Department of Motor Vehicles (DMV). The DMV reported that in the month of August, for every 5 passenger cars registered, there were 7 pickup trucks registered. How many of each type of vehicle were registered in the county in the month of August?
Divide the total quantity into 12 equal-sized parts: ππΓ·ππ = ππ
πβππ=ππ passenger cars and πβππ=πππ pickup trucks
The Superintendent of Highways is further interested in the numbers of commercial vehicles that frequently use the countyβs highways. He obtains information from the Department of Motor Vehicles for the month of September and finds that for every 14 non-commercial vehicles, there were 5 commercial vehicles. If there were 108 more non-commercial vehicles than commercial vehicles, how many of each type of vehicle frequently use the countyβs highways during the month of September?
(9 equal units)
160 water bottles
300 report cards
250 more girls