Answer:
a.
and 
Step-by-step explanation:
Let x be the larger number and y be the smaller number.
We have been given that one number is 4 more than another. We can represent this information in an equation as:

We can manipulate this equation as:


We are also told that the sum of both numbers is 60. We can represent this information in an equation as:

Upon looking at our given choices, we can see that option 'a' is the correct choice.
Answer:
a recursive formula gives the value of a specific term based on the previous term
Step-by-step explanation:
Answer:
70:100 700:1000 14:20 140:200
Answer:
- The difference of 15 and 4 times a number
4a - 15
- I want to buy 4 tickets to go to Disney World. They are currently on sale for with a 12% discount.
100% representate the original cost of tikets,
100% = 100/100 = 1
12% discont:
12% = 12/100 = 0.12
1 - 0.12 = 0.88
0.88
then the expressión is:
4*0,88d
=3.52 d
d = original cost of each ticket
Answer:
23 matches
Step-by-step explanation:
If the 5th grade team wins 2/5 matches, thats equal to 8/20, and 4th graders win 15/20, so together they win 23 matches out of 40