Answer:
12 nickels and 13 dimes
Step-by-step explanation:
d = # of dimes
n = # of nickels
Set up a System of Equations as follows:
d + n = 25
.10d + .05n = 1.90
now solve for 'd' or 'n' and use Substitution:
d = 25-n
.10(25-n) + .05n = 1.90
2.5 - .10n + .05n = 1.90
-.10n + .05n = -0.6
-.05n = -0.6
n = -0.6/-.05
n = 12
d + 12 = 25
d = 13
Check: 12(.05) + 13(.10) should equal 1.90
0.60 + 1.30 = 1.90
1.90 = 1.90
Answer:
Answer to question 1: The apple juice costs less because it costs 16 cents per ounce and the orange juice costs 21 cents per ounce
Answer to question 2: 10.12+5.33=15.45 22.31 - 15.45 = 6.86 so joe has $6.86 left
Step-by-step explanation:
12.6 million = 4p + 1 million
to solve:
12.6 million - 1 million = 4p + 1 million - 1 million
11.6 million/4 = 4p/4
2.9 million = p
the population in 1950 was approximately 2.6 million
Answer:
w = -6
Step-by-step explanation:
w-10= .5w -7
w = .5w +3
-0.5w = 3
w = -6
64 = 2*2*2*2*2*2
Hope this helps ! <3
