Sam solved the proportion3 = 5, but she has some mistakes in her solution. read her steps carefully, and then answer the questions. step 1: (x + 5)1 = 4(x + 2)step 2: x + 5 = 4x + 8step 3: 5 = 3x + 8step 4: 3= 3xstep 5: -1=1millpart a: in which step did sam make her first mistake? part b: what is sam's first mistake? select one answer for part a, and select one answer for part b.

A. Step One

B. She multiplied straight across in the proportion instead of diagonally

Step-by-step explanation:

A. Step One

B. She multiplied straight across in the proportion instead of diagonally

y > 1/3x

y < = -x + 4

hope this : )

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock