1)the price of a jar of jam has increased from $4.50 to $7.25 during the last two years. find the percent increase to the nearest tenth of a percent.

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

happy to

pls mark as brainliest

answer: 0

step-by-step explanation: the positive, like 5, + its opposite, like -5 would be 0

5+(-5)=0, or 5-5=0

i think it would be c

mark brainliest if im right

step-by-step explanation: