Answer:
answer is 80
Step-by-step explanation:
7200 / 90 = 80
Every 60 seconds in Africa a minute passes together we can stop this
<span>Choose two equations and use them to eliminate one variable.Choose another pair of equations and use them to eliminate the same variable.<span>Use the resulting pair of equations from steps 1 and 2 to eliminate one of the two remaining variables.</span></span>
