11. a certain watch costs $100, and a certain
pearl necklace costs $300. if the cost of the
watch increases by 5% and the cost of the
pearl necklace decreases by 10%, what will be
the sum of their new costs?
a. $375
b. $385
c. $395
d. $405

A $375

Step-by-step explanation:

5% of 100 is 5 so the watch is $105

10% of 300 is 30 so the pearl necklace is $270 270+105= 375

step-by-step explanation:

if u want da anser kill your teeser ifu hav wun

to have more of what you want like money

step-by-step explanation:

save it by not spending on unnecessary stuff and have more