Answer:
I HELPED :D
Step-by-step explanation:
It seems to me this just wants you to add the 3 equations.
2m + 2n +5p
Answer:

Step-by-step explanation:
way_1:
according to the condition the probability for the 1st computer is 8/10=4/5;
for the 2d computer is 7/9. Then the final probability is P=4/5 * 7/9=28/45;
way_2:
the required probability can be calculated according the formula:

then

Answer:idk why u ask? ? ? ?
Step-by-step explanation: