Answer:
y=24
Step-by-step explanation:
4y+7+3y+5=180
7y=168
y=24
Answer:
$15. 90
Step-by-step explanation:
3% of 530= 15.9
Answer:
1.45
Step-by-step explanation:
weight of all books= 14×1.1= 15.4
weight of all duster=7×0.2= 1.4
weight of books and duster= 15.4+1.4=16.8
weight of the empty box = 18.25-16.8=1.45