Question

For the school play, most of the chairs are rows of 10 each, with one row of 8 chairs.If there are 78 chairs in altogether, how many rows are there?

Answer 1

u have 78 chairs...

there is 1 row of 8......that now leaves 70 chairs
70/10 = 7 rows of 10

so u have 7 rows of 10 and 1 row of 8 for a total of 8 rows with 78 chairs.