Consider the situation about the painter's weekly salary.
A painter is paid Php 450 each day for an 8-hr work. Additional of Php 75 is paid for an
extra hour. The painter computed for his salary for the week using the expression
450X
+ 75y where x = the number of days work in a week and y = the number of extra work
hours.
How much salary will be received by the painter if he worked for

a. 6 days and 8 extra hours?

b. 4.5 days and 10 extra hours?

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