Answer: 3000 stamps
Step-by-step explanation:
Given
Chris and Josh have 1800 stamps
Josh and Jessica have 2200 stamps
Jessica and Chris have 2000 stamps
Suppose Chris, Josh, and Jessica have stamps
Thus, all three have 3000 stamps
Answer:add
Answer:
the tree grew ll inches
Step-by-step explanation: you find your maximum heart beat by keeping tract of it for 10 seconds and then •6 to find 50 percent you would • by .5 to find 70 percent you would • by .7