3/5x-5
I believe this is the expression that is described.
The answer to this expression is 8a+32
Answer:
x = 32/7, or 4 4/7 meals
Step-by-step explanation:
Write and solve an equation of ratios, as follows:
7/8 lb 4 meals
------------ -------------
1 lb x
x will be the number of meals necessary for the dog to eat 1 lb of food.
Cross-multiplying, (7/8)x = 4.
Multiplying both sides by 8/7 is an easy way to isolate x:
(8/7)(7/8)x = (8/7)(4)
or
x = 32/7, or 4 4/7 meals
Answer:
Second choice, 2/5
Step-by-step explanation:
12 + 9 + 10 + 11 + 8 = 50
12 red and 8 blue, the probability of getting either is 12 + 8 = 20/50 which simplified is 2/5
