The cold water faucet of a bathtub can fill the tub in 15 minutes. The drain, when opened, can empty the full tub in 20 minutes.
2 answers:
Answer:
60 minutes
Step-by-step explanation:
- faucet takes 15 minutes to fill the tub, so how much of the full tub is added per minute?
- drain takes 20 minutes to empty the tub so how much of the full tub is lost per minute?
- How long it takes to fill the tub can be found by how much of it is added per minute minus lost per minute
- So one sixtieth of the tub is filled a minute, so that 60 parts of the tub, each taking a minute, that's 60 minutes or 1 hour
You might be interested in
ANSWER
"If x=7, then x - 2 = 5"
EXPLANATION
Let
be a propositional statement.
The converse of this statement is
In other words, the converse of the statement,
"If p then q" is "If q, then p"
The given given conditional statement is
"If x - 2 = 5, then x = 7"
Therefore the converse is
"If x=7, then x - 2 = 5"
Answer:
The total cost in dollars of going to the baseball game for
people of a family can be given as:
Step-by-step explanation:
Given:
At a baseball game:
Cost of car parking = $5
Cost per ticket = $21
To write an equation in the form of representing the total cost of going to the baseball game.
Solution:
The total number of people in the family is =
Using unitary method to find the cost of tickets for persons.
If 1 ticket costs = $21
<em>Then, tickets will cost in dollars</em><em> = </em>
Fixed rate for car parking = $5
Thus, the total cost in dollars of going to the baseball game for
people of a family can be given as:
Answer:
Step-by-step explanation:
You need to first put the numbers in suitable catagories
0-120
120-130
130-140
140-150
then figure out the frequency of them
0-120=4
121-130=20
131-140=2
141-150=2
then put in a graph(sry its not very good i was in a rush)
