For the month of June, Madelyn budgets $400 for food, $160 for clothes, and $60 for entertainment.

Question:

For the month of June, Madelyn budgets $400 for food, $160 for clothes, and $60 for entertainment.
a) Write a 1 × 3 matrix B that represents the amounts budgeted for these items.
b) After receiving a raise, Madelyn increases the amount budgeted for each item in July by
5%. Find a matrix R that represents the new amounts.
c) Find B + R and tell what the entries represent.