Answer:
Answer 3.59
Step-by-step explanation:
Remark
This is called an extraneous information question. That means you have a piece of information you don't need. You'll get a lot of these in math courses yet to come. The piece of information you don't need is 79.95.
All you need are the other two numbers.
Givens
sale price= 62.79
Pocket money = 59.20
Formula
Amount needed = Sale price - Pocket money
Solution
Amount needed = 62.79 - 59.20
Amount needed = 3.59
Answer:
4 pints
Step-by-step explanation:
The conversion from pint to ounce is:
1 pint = 16 ounces.
The teacher collected 19 pints, that is, 19*16 = 304 ounces of lake water.
If there are 60 students, and each of them use 4 ounces, the total of lake water used is 60*4 = 240 ounces.
So, the amount of lake water left is 304-240 = 64 ounces, that is, 64/16 = 4 pints.
Answer:
y+3 = -2(x)
Step-by-step explanation:
The equation of the line that passes through the points
(5,-5) and (-5,-1) is y=-2/5x-3.
When you first pick a ticket, there are 2 winning tickets and 40 total tickets. This means that there is a 2/40 chance of your ticket being a winning one. This fraction can be reduced to 1/20.
After this, there will be 1 winning ticket left and 39 total tickets. There is a 1/39 chance of the next ticket being a winning one. We multiply these two fractions together to get our answer. 1/20 * 1/39 = 1/780, so there is a 1/780 chance of having 2 winning tickets.
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