Answer :

The cost of making 60 triangular flags with base 3.5feet and height 2.5 feet with making charges of $0.40per square foot is equal to $105.

Flag is triangular in shape.

Base of the flag = 3.5 feet

Height of the flag = 2.5feet

Area of the flag = ( 1/2) base × height

= ( 1/2 )× ( 3.5 ) × ( 2.5)

= 4.375 square feet.

Cost of one square foot flag = $0.40

Cost of making one flag = $ ( 0.40 × 4.375 )

= $ 1.75

Cost of making 60 flags = $ ( 1.75 × 60 )

= $ 105.

Therefore, the cost of making 60 triangular flag is equal to $105.

The given question is incomplete, I answer the question in general according to my knowledge:

You make and sell triangular flags. Each flag has a base of 3.5 feet and a height of 2.5 feet. Fabric for the flags costs $0.40 per square foot. What is the cost to make 60 flags?

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