Find y' for the following. ​

Denise needs to remind all 557 patients that the doctor's office won't be open on Fridays during the summer months. What's the most appropriate way to communicate this information to her patients ? a ) Text b ) Email One - on - one meetings d ) Phone calls

C. i believe it is (5×(-20))+(100×(0.7))

For me i think it'll land on blue