Answer:
5
Step-by-step explanation:

=
=
=5
a=3
a6=43
a+6d=43---------1
substituting a=3 in eq 1
a+6d=43
3+6d=43
6d=43-3
d=40/6
d=20/3
so first 5 no's are a, a+d, a2+d,a3+d, a4+d
a=3
a+d=3+20/d
i think u know after this
Hope it helps u
mark me as brainest if it helps u
Answer:
you have two books left over
Step-by-step explanation:
if you divide 30 by 7 you will get 4.2
that hows you have four boxes
to check yourself you can times 7 by 4 which will give you 28 and that shows you have two that wont fit
IT depends on what you define as an operation