In a piggy bank on his dresser, Tom has a total of $2.85 in pennies and quarters. If the number of pennies is 5 more than three times the number of quarters, how many pennies
and quarters does he have in his piggy bank?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6