Answer:(8n-3) (5n-2)Step-by-step explanation:
To find the unit rate we will divide the amount of dollars ($13.20) by the amount of bowls (6). Then we will check our work. lets do it:-
13.20 ÷ 6 = 2.20
$2.20 per bowl
CHECK OUR WORK:-
2.20 × 6 = 13.20
we were RIGHT!!
So, the unit rate in dollars for, Melinda bought 6 bowls for $13.20 is, $2.20 per bowl.
Hope I helped ya!! xD
Let g be the number of grandchildren, and d be the number of dogs. They both have only one head, so the number of heads is

Grandchildren have 2 legs, while dogs have 4. So, the total number of legs is

From the first equation (the one for the heads) we can derive

Substitute this into the second to get

So, there are 9 dogs and (from the first equation
