He moved the decimal to the right 4 times. He should of moved it to the right 2 times. Giving him 0.15%
40 dimes is $4.00. you would need $1 in nickles. 2 nickles is 10 cents. so you would need 20 nickles.
10x+160=300
-160 -160
10x=140
divide both sides by 10
x=14
$14
K/75 + 57.1 = 40.8
k/75 = 40.8 - 57.1
k/75 = -16.3
k = -16.3 • 75
k = -1222.5 or -1222 1/2
Hope it helps!
