4. A board jumper makes an average standing jump of 8 feet. In how many jumps will he cover y yards?
I got B for this question.
A.3y/8
B.8/3y
C.24y
D.1/24y
E.24/y
Y yards * (3/8)jumps/yard = 3Y/8 Jumps.
To solve this problem, we need to convert the units so that we can make a comparison.
Given that the average standing jump is 8 feet, we can use this information to create a ratio:
1 jump covers 8 feet.
Next, we want to find how many jumps it takes to cover y yards. To do this, we need to convert yards to feet.
Since 1 yard is equal to 3 feet, we have:
1 yard = 3 feet.
So, to convert y yards to feet, we multiply by 3:
y yards = 3y feet.
Now, we can use the ratio to find out how many jumps it would take to cover y yards:
1 jump covers 8 feet.
To find out how many jumps would cover 3y feet (which is equivalent to y yards), we set up a proportion:
1 jump / 8 feet = x jumps / (3y feet).
To solve for x, we cross-multiply:
8 (3y) = 1 (x).
This simplifies to:
24y = x.
Therefore, the number of jumps it would take to cover y yards is 24y.
So, the correct answer is C. 24y.