5*a+2*b=23
5*a-2*b=7:
a=(23-2b)/5
b=(7+5a)/2:
a=(23-2*(7+5a)/2)/5
5a=23-7-5a
5a+5a=23
a=23/10
b=(7+5*23/10)/2
b=(7+23/2)/2=(37/2)/2=37
<h3>
Answer: c = 7p</h3>
Explanation:
Let's say 5 people get a lunch platter. The cost would be 7*5 = 35 dollars.
Or if 3 people got the lunch platter, then it would be 7*3 = 21 dollars
In general, the cost is 7p dollars where p is a placeholder for a whole number. So that's how we end up with c = 7p
Batter At Bats Hits Home Runs
Jeter 488 156 9
Pujols 448 125 26
Heres the chart for anyone who needs it
X=1 y=2.5 I’m not sure if that’s correct but I hope it is.
To answer this you need to divide the total by 4 so 28 divided by four is 7 and 7*3=21 so Sam has 21 pencil erasers