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viktelen [127]
2 years ago
8

Petra takes $15 to the roller skating rink to spend on skates and food. Suppose it costs $4.75 to rent roller skates. Define a v

ariable and write an inequality to represent the amount of money Petra can spend on food. Then solve the inequality and interpret the solution. Explain your reasoning.
Mathematics
1 answer:
aksik [14]2 years ago
7 0

Step-by-step explanation:

15 <= x + 4.75

x is the amount spent on food. and she can't spend more than she has.

10.25 <= x

she can't spend more than 10.25 on food.

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For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(10, 9) = 90. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 10 × 9 = 90. In the following intermediate step, cancel by a common factor of 2 gives 41/

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