Sara has saved $6. She earns $7 per hour at her job. She needs a minimum of $94 to buy her new bike. What is the minimum number of hours she must work?

13 hours

Step-by-step  If she needs 94$ for a bike and and gets 7$ an hour it will take 13 hours for her to get to 94$ she will also have left over cash..

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step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,