What, if anything, is wrong with the frequency table for this data?

34 21 54 44 33 17 22 56 78 62
48 25 39 64 70 65 52 43 21 22
46 28 39 76 63 39 42 55 29 30

a.
the frequency table should not have been set up in intervals.

b.
the recorded frequency for the interval 40 - 49 is incorrect.

c.
the recorded frequency for the interval 70 - 79 is incorrect.

d.
the frequency table is correct.

Problem situation: caren is making rice and beans. she can spend no more than $10 on ingredients. she buys one bag of rice for $4.99. beans cost $0.74 per pound. how many pounds of beans, x, can she buy? inequality that represents this situation: 10≥4.99+0.74x drag each number to show if it is a solution to both the inequality and the problem situation, to the inequality only, or if it is not a solution.