ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Numbers and Operations Videos 63 videos
SAT Math 1.1 Numbers and Operations. How many combinations of beverage and cereal can be made?
SAT Math 3.4 Numbers and Operations 198 Views
Share It!
Description:
SAT Math 3.4 Numbers and Operations
Transcript
- 00:02
And here's your shmoop du jour...
- 00:04
Marlene needs to fill a 4-gallon bucket with water from a drinking fountain.
- 00:08
Apparently, she started a fire that needs to be put out.
- 00:11
Marlene only has a jar that holds 1.5 cups.
- 00:14
How many trips will she need to make to the fountain?
Full Transcript
- 00:17
And here are the potential answers...
- 00:21
Let's break down what the question is asking.
- 00:23
It's asking us to find the number of trips Marlene needs to make...
- 00:27
...but to find that number, we have to know how many cups are in a gallon.
- 00:31
Listen up.
- 00:32
There are four cups to a quart and four quarts to a gallon.
- 00:36
That makes 16 cups in a gallon
- 00:39
and 64 cups in 4 gallons. If Marlene's teensy tiny jar can hold 1.5
- 00:46
cups, and she needs to get 4 gallons worth of water, or 64 cups,
- 00:51
how many trips will she need to make?
- 00:54
We divide 64 by 1.5, and we get 42.6666666...and so on.
- 01:00
Ok, so 42.66 of Marlene's jars will carry 64 cups of water.
- 01:07
If Marlene makes 42 trips, then she'll only have 63 cups of water.
- 01:12
To make sure she has those 64 cups, she has to round up... and make 43 trip.
- 01:18
Our answer is E.
Related Videos
SAT Math 2.1 Geometry and Measurement. What is the measure of angle z in terms of x and y?
In 2014, the unemployment rate of one county in California was 7%. In another county, the unemployment rate was 11%. Which of the following express...
Angela is making cookies for a bake sale. She expects each batch of her cookies to sell for $40. It costs her $10 to make one batch of cookies, and...