Holly had $5,000 in her bank account. she withdrew $800 to buy a new bike. what is the percent decrease in the balance of her account? the percent decrease is 1.6%. the percent decrease is 16%. the percent decrease is 84%. the percent decrease is 120%.

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?