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drek231 [11]
3 years ago
5

Nathan, a tutor, buys 5 calculators for $7.50 each at a store, planning to provide one to each of his clients. However, the next

day, he discovers that the same calculators has gone on sale for $5.00 and also discovers that he will only have three tutoring clients instead of five. He returns the five calculators and purchases three calculators at the new sale price. He uses the following expression to determine the amount he should receive back from the store. (5 x $7.50) - (3 x $5.00) Which of the following expressions could Nathan have used. 5 ($7.50 - $5.00). $7.50 - $5.00. (5 x $7.50) - $5.00. (5 x $7.50) - $5.00. 3 ($7.50 - $5.00) +2 x $7.50
Mathematics
1 answer:
BARSIC [14]3 years ago
3 0

Answer:

Dnjsjsjsnnsnsn sjsjsjsjsns sujsksjsms idjskjsjnjdj djjsksks shakes nsksksks DJs

Step-by-step explanation:

Iriiekrj ended ksosksmsn Kidman’s jjsjsjsjjsb

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Step-by-step explanation:

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First we'll have a proportion since we know Jiayi ended up with 75 markers and the ratio of Stanley's markers to Jiayi's is now 2:3. We let the number of Stanley's markers at the end be denoted by x and solve the proportion:

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We know that Stanley had 50 markers by the end, and since he let Jiayi borrow 50 markers, then he should've had 100 markers at the start.

ANSWER: Stanley started with 100 markers.
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Answer:

Read Below

Step-by-step explanation:

The way you want to find the value of a ratio is

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