Helen's Caffee has regular coffee and decaffeinated coffee. This morning, the caffee served 45 coffees in all, 60% of which were regular. How many regular coffees did the cafe serve?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π