Answer:
Hello There!!
Step-by-step explanation:
£90 in the ratio 4:1=5(add ratios then divide by the amount)
90÷5=18
18×4=£72
18×1=£18
ad them together its £90 so 4:1
£72:£18
hope this helps,have a great day!!
~Pinky~
Answer:80:10
1=20 4=80
68 is the perimeter
the answer would be 48.17
to find the perimeter you have to add all the sides
sin ^2(x)
