Which is a system of equations to model the problem if x represents the number of angelfish Nancy bought and y represents the number of goldfish she bought?
(Points : 1)
x – y = 360
y = 8x
x + y = 360
y = 8x
x + y = 8
y = 360x
x + 8y = 360
y = 8x
4. Jim has only dimes and nickels in his coin bank. He has 37 coins with a total value of $2.65 in his coin bank. How many nickels are in Jim’s coin bank?
_________
Please help
the answer is 40 angelfish and 320 goldfish
Answer:
Step-by-step explanation:
A saving bank is a financial institution focused on receiving saving deposits, which will generate paying interests to costumers.
So, A for-profit institution for general public, managing savings accounts is known as a saving bank.
$150 per night
Use a system of equations using x (cost of hotel) and y (cost of car):
5x + 6y = 1170
7x + 8y = 1610
Solve for y in one of the equations and then use substitution to solve for x in the other:
6y = 1170 - 5x
y = (-5/6)x + 195
7x + 8((-5/6)x + 195) = 1610
7x + (-20/3)x + 1560 = 1610
(1/3)x +1560 = 1610
(1/3)x = 50
x = $150 a night