<span>What is the value of x in the proportion x + 1 / x+3 = 15/ 21
a.4
b.1/3
c.1/4
d.3</span>
the answer is
a.) 4
Answer:
Step-by-step explanation:
Look at the triangle from number 3, and see which of the following multiple choice is true according to the information they gave you.
X=8.33
u have to isolate the x on a side ans the numbers on the other side of the equation
