Answer:
x=3
Step-by-step explanation:
cross multiply
5(x+3)=3(x+7)
5x+15=3x+21
5x+15-3x=3x+21-3x
2x+15=21
2x+15-15=21-15
2x=6
x=3
Solve:-
28 ÷ 0.7 = 40
28m ÷ 0.7m = 40
0.7 goes 40 times in 28m.
Hi
<u>The area of a triangle is </u>

If we plug in the given values, we get:

Multiply in the numerator:

Divide:

Therefore, the area of the triangle is 35 inches squared.
<span>3n + 4 = 7
</span><span>3n = 7 - 4
3n = 3
n = 1</span>