Sally gave her brother $3.95 in quarters and dimes if the number of quarters is 6 mores than the number of dimes how many quarters did sally give her brother

  13 quarters

Step-by-step explanation:

If we add 6 dimes, the total becomes 4.55, and there will be an equal number of quarters and dimes. That is, the money can be divided into coin pairs (quarter + dime) that are worth 0.35.

  4.55/0.35 = 13

such pairs can be formed.

Sally gave her brother 13 quarters.

cosine

step-by-step explanation:

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )