Answer:
For 1 miles distance: 7/10 of a mile she runs and 3/10 she walks.
For 4 miles distance (4 times the previous distance) she will run:
4*(7/10) = 18/20 = 2.8 miles
and walk:
4*(3/10) = 12/10 = 1.2 miles.
Answer:
True
Step-by-step explanation:
every x only has one y
Answer:
The solution to the system of equations is:

Step-by-step explanation:
Given the system of equations


solving the system of equations









solve for y

Divide both sides by -23






Divide both sides by 10


Thus, the solution to the system of equations is:

Answer:Are there any options?
Step-by-step explanation:
Answer:
a) $14.37 sales tax
b) $25.13 left on gift card
Step-by-step explanation:
Purchases: 78.50 + 32.00 = 110.50
Sales tax: 13%:
1% of 110.50 = 1.1050
1.1050 x 13 = 14.365
rounded to 2 decimal places: $14.37
Total cost: 110.50 + 14.37 = $124.87
Gift card: 150.00 - 124.87 = 25.13