yariiixox

15.04.2020 • 

Mathematics

Martha recorded the ratio of students and teachers at all the middle schools in the Timber Creek school district. The list is shown below. 20 students : 2 teachers 1 teacher per 15 students 1 teacher per 10 students 40 students : 4 teachers 5 teachers per 40 students Part A: Identify the unit rates and ratios that are equivalent. Part B: Give another unit rate or ratio that is not on the list but is equivalent to the ones from Part A. Explain why these are equivalent.

Ответ:

tushema1

13.12.2022

Mathematics

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Step-by-step explanation:

Sharon y = 7x + 15

Tim  y = 3x + 35

7x + 15 = 3x + 35

4x + 15 = 35

4x = 20

x = 5 weeks

Sharon: 7(5) + 15 = 35 + 15 = $50

Tim: 3(5) + 35 = 15 + 35 = $50

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