To add or subtract rational expressions with unlike denominators, first find the LCM of the denominator. The LCM of the denominators of fraction or rational expressions is also called least common denominator, or LCD. Write each expression using the LCD.
Answer:
Step-by-step explanation:
Complete question
<u>On Thursday, r centimeters of rain fell on Deborah's garden. On Saturday, 15% more rain fell on the garden.
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<u>The expression r+0.15r describes the number of centimeters of rain Deborah's garden got on Saturday. We can also use the expression 1.15r to represent the same quantity.
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<u>Match each amount in the situation with the expression that represents it.</u>
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Since we have given that
Let amount of rainfall on Deborah's garden on Thursday be 'r'.
According to question, 15% more rainfall on the garden on Saturday.
So, Amount of rainfall on Saturday would be

Hence, Deborah got 1.15r amount of rainfall on Saturday.
Answer:
a) 245$
b) 8 hours
Step-by-step explanation:
a) 7 hours x 35$ = 245$
b) 252$ - 40$ (because the fixed charge isn't related to the hours.
=212$ for how many hours?
divide 212 by 26.50$
212/26.5= 8 hours
-8 and 2 are the only numbers not already in the top (Input) row. Those selections are your answer.