Question

Marissa plans to cut a wire that is 5 feet 3 inches long. How long should each of the cut pieces be if she wants 7 equal pieces of wire?


Find the twenty-second term of an arithmetic sequence if the first term is 4 and the common difference is 10.



Find the twenty-second term of an arithmetic sequence if the first term is 9 and the common difference is 3.

Answer 1

1. How many cuts do I have to make for 2 pieces?
for 3 pieces? ... for 7 pieces?

2. t(22) = a + 21d
sub in the values

3. same thing