Answer :
7.5 + 9.2
= 7.0 + 0.5 + 9.0 + 0.2
= 7.0 + 9.0 + 0.5 + 0.2
= 16.0 + 0.7
= 16.7
Yes, it's a reasonable sum - and the calculation above you demonstrates why.
= 7.0 + 0.5 + 9.0 + 0.2
= 7.0 + 9.0 + 0.5 + 0.2
= 16.0 + 0.7
= 16.7
Yes, it's a reasonable sum - and the calculation above you demonstrates why.