You have to divide 28 by two, then times the answer (14) by five, making it 70
Answer:
a. Rational; b. rational
Step-by-step explanation:
A rational number is the quotient of two integers.
a. ⁴/₇ + ⁻¹/₃

The solution is rational.
b. √4 ⅖

The solution is rational.
Answer:
3
Step-by-step explanation:
8 dishes/2 minutes
4 dishes a minute
50 dishes/4
12 and a half minutes