Identify who made the error and what he did wrong. Aaron made the error when he subtracted 6.
Aaron made the error when he subtracted 3x.
Stephen made the error when he added 2.
Stephen made the error when he subtracted 5x.
answer:
</span>In the Aaron`s work: - 2 = - 2 x - 6 and after that: - 2 - 6 = 2 x It should be: - 2 + 6 = 2 x or: - 2 + 6 = 2 x - 6 + 6 Answer: A ) Aaron made the error when he subtracted 6.
The price: - last year: $2.25 - this year: $.45 The decrease: $2.25 - $.45 = $1.80 2.25 : 1.80 = 100 : x 2.25 x = 180 x = 180 : 2.25 x = 80 Answer: The percent of decrease is A ) 80%
The median number is always in the middle the other numbers have to be equal on both sides 5 is the middle number on the plot 6th graders have 4 dots and 8th graders have 0 dots which means the hourly difference is 4