For homework, anya had to find the width of a bedroom after the scale changed from 1 inch : 4 feet to 1 inch : 7 feet. her work is shown below.

what error did anya make?

(( -she set up the proportion incorrectly; the second ratio should be 2/x))

-she cross-multiplied incorrectly.

-she divided incorrectly.

-she used the wrong label; it should be inches.

What number produces an irrational number when multiplied by -1.25

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.