Answer:
lower =66
higher=90
Step-by-step explanation:
<h2>
Answer:</h2>

<h2>
Step-by-step explanation:</h2>








<em>I hope this helps you</em>
<em>:)</em>
No solution but the equation is true
Answer:
x = 5/2
Step-by-step explanation:
2^x+4 = 2^3x-1
x + 4 = 3x - 1
3x - x = 4 + 1
2x = 5
x = 5/2
60/7 = (56 + 4)/7 = 56/7 + 4/7 = 8 4/7