Answer:
Train 1: 368 mph
Train 2: 358.1 mph
Step-by-step explanation:
We can write 2 equations to represent this problem.
The x represents the first train and the y represents the second train.
We can plug in x into the first equation.
Now that we know our y, we can find our x.
Answer:
$42
Step-by-step explanation:
7/14=1/2 so he saved 1/2 of 84
Answer:At 95% confidence interval, the lower end is 64.306 and the upper end is 64.614
At 98% confidence interval, the lower end is 64.268 and the upper end is 64.652
Step-by-step explanation:
So an easier way to look at this is to think of the decimals as percentages, to convert these decimals to percentages we can multiply each by 100.
Which gives us 58% of students with fruit, and 36% students with crackers. We know that 58% is much larger than 36%, so more students bring fruit instead of crackers.
