X = how much Tim has
y = how much Tom has
x + y = 2.40
x = 3y
Substitute 3y for x
3y + y = 2.40
4y = 2.40
y = 0.60
Plug in y value into previous equation
x = 3(0.60)
x = 1.80
ANSWERS: Tim has $1.80 and Tom has $0.60

8 0

3 years ago

renting paddle boats for Lakeshore paddle boats costs $10 per hour plus a one-time fee of $4 renting paddle boats from Lake padd

Anna11 [10]

Answer:

More than 2 hours

Step-by-step explanation:

Let number of hours be x

Lakeshore paddle cost:

10x + 4

Lake paddle cost:

Required inequality:

10x + 4 < 12x
12x - 10x > 4
2x > 4
x > 2

Lakeshore paddle costs less when time of rent is greater than 2 hours

3 0

3 years ago

An anatomy model of an adult human is 7 inches tall. Most adult humans are between 5 feet and 6 feet tall. What is the approxima

hjlf

Answer:

Step-by-step explanation:

There are 12 inches in 1 feet, so

5 feet = 5 * 12 = 60 inch

6 feet = 6 * 12 = 72 inch

So, we can say most adult humans are between 60 to 72 inches tall

The model is 7 inches tall. So, from the answer choices, 7 * 10 = 70 [the number that is in between 60 to 72]. Thus we can take the model to be 1/10th of the original.

So the scale factor is 1/10, or option B

6 0

3 years ago

By dividing one quantity by the other

Step2247 [10]

Answer:

The method of comparing two quantities by dividing one quantity by the other is called ratio.

Step-by-step explanation:

4 0

2 years ago