Guided practice
solve.
1 at a post office, the weight of the mail at 10: 00 am. was 80 pounds,
two hours later, the weight of the mail had increased by 30%. find the
weight of the mail at noon.
?
%
unt
weight at 10: 00 am
? 16
?
lb
weight at noon

there is no image or shapes attacted

step-by-step explanation:

the answer is a i belaeve atleast thats what my calculator just gfave me

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

since no one answered yet i will give it a shot, not completely sure tho.

i think it should be y=cos(x+2pi), (third answer, answer c)

good luck.