If y equals 2x - 3 in the second equation, than subsitute it in for y in the first.
2x + 2x - 3 = 5
4x - 3 = 5
4x = 8
x=2
2(2) + y = 5
x = 2 and y = 1
-3(b - 7)
-3*b = -3b
-3*7 = -21
-3b - 21
Answer:
a)5:2
b)14
c)17
Step-by-step explanation:
The ratio for babies to nursery workers is 5:2
To find the answer to b, we find how much you have to multiply 2 by to get 35, which is 7 and multiply that by the number of workers, 2, so you need 14 workers
To find the answer to c multiply 2 bye 3.5 to get 7 and multiply 5 by 3.5 to get 17.5 now rounf down so the answer to c is 17
Answer: 16/90
Solution: 16 divided by 90 = 0.17 repeating
Answer:
2m + 2f
Step-by-step explanation:
Babies = 2 ×(m+f)
= 2(m+f)
= 2m + 2f
