Hello!
The word "per" means to divide. Therefore we will divide our price by ounces to find how much one ounce costs.
.42/2=.21
It costs $0.21 per ounce.
I hope this helps!
Answer:
m=1.5
Step-by-step explanation:
simultaneously
3m+9n=6
- m+9n=3
2m=3
m=1.5



Let the marked prize of the TV be x .

We have SP = MP - Discount



<em>Hence </em><em>,</em><em> </em><em>T</em><em>he </em><em>marked</em><em> </em><em>prize</em><em> </em><em>of </em><em>the </em><em>TV </em><em>is </em><em>₹</em><em>2</em><em>0</em><em>,</em><em>2</em><em>5</em><em>0</em><em> </em><em>.</em>
<em>Hope </em><em>it </em><em>helps </em><em>~</em><em> </em>
You regroup because the 4 in 64 plus the 3 in 43 equals 7, then you move onto the tens place, and 60 plus 40 equals 100, so that is how. Your answer is 107.
No because the sum could also be irrational number which for example it could be square root of 9 or 49
Hope this helps answer your question