Question

josiah had three less then twice as many nickels as dimes. If the total value of his coins was 1.45, how many of each kind of coin did he have?

Answer 1

let x represents the # of coins

Answer 2

ojk

Answer 3

what do you think ?

Answer 4

its

Answer 5

x + ?????? = 1.45

Answer 6

what does 3 less than twice mean?

Answer 7

2x - 3

Answer 8

yes=)

Answer 9

what does that equal?

Answer 10

2x - 3 = 1.45?

Answer 11

yes! now solve for x

Answer 12

2.225

Answer 13

that is what I got.

Answer 14

ok

Answer 15

so how many coins

Answer 16

i have to go can u slove the rest for me please?

Answer 17

thanks guys

Answer 18

hm

Answer 19

21?

Answer 20

thanks guys

Answer 21

thanks guys

Answer 22

I don't agree with the solution give above.
you need to solve a system of equations
n = 2d - 3
.10d + .05n = 1.45

Answer 23

Refer to the solution using the Mathematica program for the calculations.