Answer:
8
Step-by-step explanation:
m=30 n=1/4
0.1*30+8-12*1/4
3+8-12*1/4
=3+8-3
=8
59.99 - 59.99 x saving rate = 42.89
with saving rate = r%
59.99 - 59.99 x r% = 42.89
so 59,99 ( 1 - r%) = 42.89
1 - r% = 42.89 : 59.99
1 - r% = 0,7150
r% = 1 - 0,7150
r = 28,5%
420/2100= 42/210=6/30=1/5
the answer is a 1:5
6^2= 36
3 times 6 = 18
36+18-3 =
Answer is 51
I hope this is correct :)
Mark+5=austin
hope this helps
- turtles12345