Margo places 6 pennies and 4 nickels in a jar. For the experiment, she selects a coin, replaces it, and selects another coin. If she repeats this experiment 100 times, how many times can she expect to select 2 pennies?

$30 to spend on dinner tax and gratuity at mos restaurant rax is 6% and they give a 15% tip on the total bill after taxes thier dinner cost $21 which statement correctly explains wether andrew and kate have enough money to pay their bill