In store A the price of mayo went down from $4.31 to $3.71. In store b, it went from $8.09 to $7.23. In store c, it went from $8.07 to $3.53. what was the average decrease. (what do I need to do)

Question

anonymous · Answer

@Nnesha ?

anonymous · Answer

@joe

anonymous · Answer

@PaxPolaris and lovely @perl

anonymous · Answer

or @poopsiedoodle

anonymous · Answer

@ganeshie8

paxpolaris · Answer

what was the decrease in store A?

perl · Answer

so find the individual decrease amounts, add them, divide by 3. that will be your 'average' decrease

perl · Answer

[ ($4.31 - $3.71) + ($8.09 - $7.23) + ($8.07 - $3.53) ] / 3

anonymous · Answer

3.71

perl · Answer

thats incorrect

anonymous · Answer

ok i used that formula earlier and got 1.99666666667 and so I have no idea how to write that

perl · Answer

thats basically correct, I got 2 as well

perl · Answer

rounding

perl · Answer

1.99666 ~ 2.00 dollars

anonymous · Answer

i'll try it again guess i miscalculated

perl · Answer

I got exactly 2, so you must have rounded early

perl · Answer

the average decrease is 2 dollars

anonymous · Answer

oh yeah i just got 2 as well, but this time i used a calculator instead of manual.