Answer:
It will be 3 + 3x= 45 because 3 is how much she already know and 3 with the x is how much she will learn. x=15 because 3 × 15 equals 45so that's how many weeks. pls make me brainliest thank you!:) btw the other person not right!!
<em> 3 + 3x = 45 ; x = 14 </em>
Step-by-step explanation:
45 = 3x + 3 ⇒ <em>x = 14</em>
Answer: -1
(4*X-7) = (6X -5)
4X -7 = 6X - 5
2X = -2
X = -1
mean:38
mode:30
median:37.5
range:19