Answer:
840,000
Step-by-step explanation:
8.23x10^6=8230000
7.39x10^6=7390000
soo
8230000-
7390000
---------------
_840000
Answer:
I hope it will help you :)
Answer:
8 + 18+ 28+ 38+ 48= 140
Step-by-step explanation:
Let q and n represent the number of quarters and nickels respectively.
q=3n and .05n+.25q=1.6 These are the conditions in mathematical terms.
To solve, use the value of q from the first equation in the second equation to get:
.05n+.25(3n)=1.6 carry out indicated multiplication on left side
.05n+.75n=1.6 combine like terms on left side
.8n=1.6 divide both sides by .8
n=2, since q=3n
q=6
So Peggy had 2 nickels and 6 quarters.
