Answer:
Solution given:
let :
Mary earns on:
Sunday: hiliday
Monday=php 200
Tuesday:php 240
Wednesday:php 180
Thursday:php 300
Friday:280
Saturday: php250
a. How much did Mary earn last Friday?
Mary earned php280 last Friday
b. What is the sum of her earnings last Tuesday and Thursday?
the sum of her earnings last Tuesday and Thursday=240+300=php540
C. Which day she earned the least? Mon Wed
she earned the least on Wednesday.
d. Which day she earned the most?
she earned the most in Thursday.
e. What is the total earning of Mary last week?
the total earning of Mary last week =200+240+180+300+280+250=php1450
[note;the income is imaginary]
