4.
4
10
400
4
40
400
40
8 tens 2 ones
Four tens and two ones.
Ten tens One hundred ones
22 tens plus 6 ones.
10,10,10,10,10, which shows that there are five ones in five tens.
you need 87 tens and 6 ones
40 of them.
40/10 = 4
Does 6 tens equal 60 ones