John’s piggy bank contained 7 dimes and 3 quarters. he pulled out 1 coin without looking. without replacing the first coin, john then pulled out a second coin. what is the probability that both coins were dimes? express your answer in simplest form. as a fraction

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250