A carpet costs $15 per square metre. The total delivery charge is $21.

1.	A carpet costs $15 per square metre. The total delivery charge is $21. Peter buys n square metres of carpet. Select the expression which represents the total cost in $.
Answer» GIVEN: The cost carpet per square meter = 15$ The total DELIVERY CHARGE = 21$ To find: The expression which represents total cost in $ Calculation: Peter buys n square meters of carpet. So the costvof n square meters of carpet will be Cost of n square meters of carpet = (n×15)$ Total cost = Cost of the carpet for n square meters + Delivery charges = (15N + 21)$ The expression which represents the total cost in $ is 15n+21

A carpet costs $15 per square metre. The total delivery charge is $21. Peter buys n square metres of carpet. Select the expression which represents the total cost in $.

Answer»

GIVEN:

The cost carpet per square meter = 15$

The total DELIVERY CHARGE = 21$

To find:

The expression which represents total cost in $

Calculation:

Peter buys n square meters of carpet. So the costvof n square meters of carpet will be

Cost of n square meters of carpet = (n×15)$

Total cost = Cost of the carpet for n square meters + Delivery charges

= (15N + 21)$

The expression which represents the total cost in $ is 15n+21

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A carpet costs $15 per square metre. The total delivery charge is $21. Peter buys n square metres of carpet. Select the expression which represents the total cost in $.

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