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7)

Vehicle type Quantity No. of wheels Total value
Car 5 units 4 20 units
Motorcycle 1 unit 2 2 units

20 units + 2 units = 264
22 units = 264
1 unit = 12
5 units = 12 x 5
= 60 cars

8) 38 ÷ 6 = 6 Remainder 2

This means that Edmund needs to buy 6 packets, which will have 36 erasers in total, and an additional 2 more erasers individually in order to have 38 erasers.

Cost of 6 packets → 6 x $4
= $24

Cost of 2 erasers individually → 2 x $1
= $2

Total cost → $24 + $2
= $26

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