He could use a scale to measure the weight and use pounds as the unit of measure.
Answer:
79 dollars
Step-by-step explanation:
a = 51 + b
Substitute the number of books, 28, he sold into the equation and solve for his earnings.
a = 51 + b
a = 51 + 28
a = 79
Answer: $30
Step-by-step explanation:
If 2 movie tickets cost $15, you can multiply that by 2 to get the cost of 4 movie tickets.
324 / (1/4) = 7776
You then have to take its 5th root and that's the geometric ratio. Which is 6.
<span>So the sequence is 1/24, 1/4, 3/2, 9, 54, 324</span>