Brandon has a cup of quarters and dimes with the total value of $3.80. the number of quarters is 4 less than twice the number of dimes. how many quarters and how many how many dimes does brandon have

Dimes = 8 and

Quarters = 12

Step-by-step explanation:

Total value = 380 cents

let dimes be x

quarters be 2x - 4

100 pennies = $1

1 dime = 10 pennies

1 quarter = 25 pennies

Therefore;

$ 3.78 = 378 pennies

10x+25(2x-4)=378

10x + 50 x - 100 = 378

60 x = 378 + 100

60 x = 478

     x = 478/60

        = 7.9667

        ≈ 8

Therefore;

Dimes = 8 and

Quarters = 12

0.6, 3/5, and 6% are the 3 same portion.

but, when they're all changed to a decimal they would equal to 0.6.

hope this , good luck!

answer4 to the second power is 16

and 4 to the third power is 64,