Answer:
length= 24cm
Step-by-step explanation:
interpreting the question
L=3w
perimeter=2(l+w)
64=2(3w+w)
64=2(4w)
64=8w, Divide both sides by 8
w= 8cm
since w= 8
L=3w
L=3×8
L=24cm
Answer:
16
Step-by-step explanation:
128/8= 16
Answer:
x=2 and y=-2
Step-by-step explanation:
Answer:
87.0
Step-by-step explanation:
17.4
17x5=85
.4x5=2.0
85+2.0=87.0