Answer:
Step-by-step explanation:
Let the number be y & reciprocal simply means inverse of the number
4×1/y=2×1/8 solving for y
4/y=2/8; y = 16
Answer:
25 hamburger
20 hot dogs
Step-by-step explanation:
Answer:
$4.1
Step-by-step explanation:
To find the Unit Rate, you have to find how much it cost of 1 lb. So, you have to divide 16 and 3.99
16/3.99
= 4.01002506
≈ $4.1
Answer:
D. 
Step-by-step explanation:
Pythagorean Theorem
Answer:
F(x) = 5x + 7
F(5) = 5*5 + 7 = 25 + 7 = 32
