Which system of equation
3.1 lizzy has 30 coins that total $4.80. all of her coins are dimes. d and quarters, q. which
models this situation?
d+q = 4.80
d+q=30
10.10d +0.250 = 30
b.)
10.10d +0.25q = 4.80
d + 0 = 30
10.25d + 0.100 = 4.80
d.)
d + 0 = 4.80
10.25d +0.10q = 30

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

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 : )

it's d

step-by-step explanation: