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Chapter 2: Q12. (page 113)

Gridded Response You visit a gift shop and buy 4 key chains. Each key chain costs $2.05. What is the total cost (in dollars) of the key chains?

Short Answer

Expert verified

Total cost of 4 key chains =$8.2.

Step by step solution

01

Step-1- Writing formula from given information

Cost of each key chain =$2.05.

Number of key chains purchased =n=4.

Total cost for n key chains =2.05n.

02

Step-2-Substituting values from given information

Total cost of 4 key chains =2.054.

Total cost of 4 key chains =8.2.

03

Step-3-Conclusion

Therefore, the total cost of 4 key chains =$8.2.

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