Maria is shopping for dog food. brand a is 40-pound bag and cost $49. brand b is 20-pound bag for $23.44

a) find the unit rate price (cost per pound for each brand)

b) which brand is cheaper per pound

brand a is $1.22 per pound.  brand b is $1.17 per pound.

Step-by-step explanation:

brand b would be the cheapest per pound but brand a would be better because brand b would be doubled price wise to get the same amount as brand a.

Brand B is cheaper than Brand A

Step-by-step explanation:

Brand A:

49/40=1.23

1.23*40=49

Brand B:

23.44/20=1.17

1.17*20=23.4

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

you are uyytr tyy

step-by-step explanation: