allsbrianna4 allsbrianna4

06-03-2021
Mathematics

contestada

8. Jack has twice as many dimes as quarters. If the total
value of the coins is $6.30, how many dimes does he
have?

Respuesta :

06-03-2021

Answer:

Step-by-step explanation:

d=2q, q=d/2

10d+25q=630, using q=d/2

10d+25d/2=630

20d+25d=1260

45d=1260

d=28

So he has 28 dimes.

Answer Link

Otras preguntas

chapter 2 claudette colvin what is the author point of view

Which of the following is the radical expression of 2 times d to the seven tenths power? seventh root of 2 d to the tenth power tenth root of 2 d to the sev

Explain why it works to break apart a number by place values to multiply

Need a lil help here please! Q. 11-14 thanks for your time :)

PLEASE HELP!!!!! Some localities in Norway have seen land masses rise 150 to 200 meters as a result of removal of former glaciers. True False

The sum of three consecutive numbers 126. What is the smallest of these numbers?

Can someone help me pretty please

Cheerios 3.68 for 17 oz vs Apple Jacks 2.98 for 13 oz

Who was assassinated to begin world war 1

Every time a cell divides, half of its chromosomes go to one daughter cell and another half of the chromosomes go to the other daughter cell. Although the chrom