2x+x-7+3x-20=87cm
6x-27=87
6x=114
x=19
Therefore the sides are:12cm, 38cm, and 37cm
Answer:
2.00000000e+100
Step-by-step explanation:
2

Answer:
15/13
Step-by-step explanation:
hope that helps thanks for ur questions
Answer:
$0.64
Step-by-step explanation:
Unit price is the cost of a single metre of ribbon
5.12/8=0.64