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denis-greek [22]
3 years ago
7

Explain what the variable represents in an addition or subtraction expression

Mathematics
1 answer:
Stels [109]3 years ago
3 0
A varible represents the number u are looking for. 

Example: 
2x + 3x  
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If a logo of 6 ft and he needs a quart of paint for every 22 square ft how many quarte will he need for the whole logo
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Complete Question

If a logo has dimensions of 6 ft and 11ft, he needs a quart of paint for every 22 square ft. How many quarts will he need for the whole logo?

Answer:

3 quarts of paint

Step-by-step explanation:

The Logo is rectangular in shape, hence:

The area of a rectangle = Length × Width

The logo has dimensions of 6 ft and 11ft.

Area of the Logo = 6ft × 11ft = 66ft²

He needs a quart of paint for every 22 square ft

Hence:

22 ft² = 1 quart of paint

66ft² = x

Cross Multiply

22 ft² × x = 66 ft² × 1 quart

x = 66 ft² × 1 quart/22 ft²

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