Plz can you me with this question sandhya has to bank 331 pennies, 15 nickels, 193 dimes, and 212 quarters from her piggy bank. she rolls as many coins as possible. a roll holds
50 pennies, 40 nickels, 50 dimes, or 40 quarters.

a) how many rolls of each type of coin did she take to the bank?

b) what was sandhya"s total bank deposit

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?