Answer:
x = 4
Step-by-step explanation:
x + 4(x+5) = 40 (Given)
x + 4x + 20 = 40 (Distribute the 4 into the x and 5)
5x + 20 = 40 (Add like terms)
5x = 20 (Subtract 20 on both sides)
x = 4 (Divide 5 on both sides)
2,852.1 miles / 10 days = about 285.21 miles per day .
Answer:
3^(n+1) - 3^n / 3^(n-1) = 6
Answer:
108 and 110
Step-by-step explanation:
because the pattern is multiply by 4, then add 2
