You would do DRT, distance, rate, time. Rate us what you want. R=T/D- so you would divide 5/6 by 7/10 to get which is 1.1904
15 postcards, 10
envelopes, and a notepad cost------------------- 1.68 dolars
Postcards------------x
Envelopes------------y
Notepad--------------z
15x+10y+z=1.68
<span>Y=z/8 y=0.02+x</span>
<span>Z=8y x=y-0.02</span>
15(y-0.02)+10y+8y=1.68
15y-0.30+18y=1.68
<span>33y=1.98 y=0.06</span>
Z=8*0.06=0.48
X=0.06-0.02=0.04
Costs
Postcards------------0.04
dolars/ 4 cents
Envelopes------------0.06
dolars/ 6 cents
<span>Notepad--------------0.48
dolars/ 48 cents</span>
Answer:
The product of 
is 81.6
Step-by-step explanation:
Given :
To Find : Find the product
Solution:
So, 
Hence the product of is 81.6
Answer:
B
Step-by-step explanation:
y intercept is when x=0
I got 70
But I’m not sure cuz I think you meant R=-5
6(-5)=-30
100-30=70
