Mathematics, 29.03.2021 23:10 brighamc23

11. Jose has a jar with 77 coins. He as a mixture of quarters and dimes. If the total amount is $12.50, which of the following system of equations
can be used to find the total number of quarters, x, and dimes, y, that he
has in the jar?
X + y = 12.50 and .25x +.10y = 77
.25x + y = 77 and x +.10y = 12.50
X +.10y = 12.50 and .25x + y = 77
X + y = 77 and 25x + .10y = 12.50

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, chloerodgers56

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Answers: 2

continue

Mathematics, 21.06.2019 19:30, jaueuxsn

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Answers: 2

continue

Mathematics, 21.06.2019 20:00, mharrington2934

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Answers: 1

continue

Mathematics, 21.06.2019 21:40, calebhoover03

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

Answers: 2

continue

You know the right answer?

11. Jose has a jar with 77 coins. He as a mixture of quarters and dimes. If the total amount is $12...