Answer:
do you have any answers to choose from?
758
700+50+8=758
5.15
Step-by-step explanation:
5.15 = 3a + 2.15
5.15 - 2.15 = 3a
3.15 = 3a
a = 0.05
I hope this helps you :)
the area is L x W so its 42cm