What are the given rates??
Answer:Biomaterial
Step-by-step explanation:
8v (Hope this helped!!! :)
$13.43
Given: To mail a first-class letter, it costs $0.13 for one ounce. From then, the additional ounce's cost $0.7.
Hence, equation can be created:
y = 0.13 + 0.7(x) where 'y' is <u>total cost</u>, 'x' is <u>additional ounces</u>
<h3>Here,</h3>
<u>additional ounces</u>: 19.89 - 1 = 18.89 ounces 19 ounces
<u>Total cost</u>: y = 0.13 + 0.7(19) ⇒ y = 13.43
Answer:
b, c, d, e
Step-by-step explanation:
a) 18/24 = 75%
b) 18/20 = 90%
c) 36/40 = 90%
d) 54/60 = 90%
e) 81/90 = 90%