Simplify 10cm:30cm Simplify 2cm:1m
2 answers:
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Given :
Ruth wants to buy a skateboard for $44.
She has $100 in her account. She spent $11.36 to buy stationary.
She also wants to buy some comic books for $3.72 each.
To Find :
The maximum number of comic books, n, that Ruth can buy so that she has enough money left to buy the skateboard.
Solution :
Money left after buying skateboard and stationary is :
Money left = $(100 - 11.36 - 44)
Money left = $44.64
Number of comic she can buy is :
Therefore, she can buy a maximum of 12 books.
Hence, this is the required solution.
1 inch of the model - 18 inches of the car
9 inches of the model - x inches of the car
The car is 162 inches long.
9 inches of the model - x inches of the car
The car is 162 inches long.