Answer: 27.44 % decrease in gas prices
Step-by-step explanation: First subtract 2.15 by 1.56 to get 0.59
then divide it by the starting value which is 2.15
0.59 divided by 2.15 is approximately 0.2744
then multiply times 100 to get 27.44 %
hope this helps mark me brainliest if it helped
Answer:

Step-by-step explanation:
we have

Remember that
To predict a value for y, when x = 4
substitute the value of x in the equation
so

Subtract a from both sides of the equation.
b=−a+14
Answer:
36
Step-by-step explanation:
Divide the carton weight by the weight of 1 jar
27 ÷ 
= 27 × 
= 
= 
= 36
There are 36 jars in a carton