Answer:
15
Step-by-step explanation:
15x4 times the string=60
60+15 is the length of the smaller string=75 inches of the total string.
Hope this helps pls give brainliest
Let the unknown number be x.
<span>sum of a number and one: x + 1
</span>
<span>sum of a number and one is doubled: 2(x + 1)
</span>
<span>three less than the number: x - 3
2(x + 1) = x - 3
2x + 2 = x - 3
x + 2 = -3
x = -5
The number is -5.
</span>
The interquartile range is 5!
Lol
y = 5x, so 5 is the constant of proportionality
