4. Jada rewrites 5.3% as 15x. Do you agree with expressions? Explain your reasoning. 5. Investment account 1 starts with a balance of $200 and doubles every year. Investment account 2 starts with $1,000 and increases by $100 each year. a. How long does it take for each account to double? b. How long does it take for each account to double again? c. How does the growth in these two accounts compare? Explain your reason 6. A study of 100 recent high school graduates investigates a link between their childhood reading habits and achievement in high school. Participants are asked if they read books every night with another person wher were ages 2 to 5, as well as their grade average for all of their high school class The results are represented in the table. read books nightly did not read books nightly A average 16 10 B average 21 14 C average 12 16 D average 3 8 a. What does the 21 in the table represent? b. What does the 10 in the table represent?