Answer:
7x+21y=5439
x+y=305
Step-by-step explanation:
it's pretty self explanatory, right?
Answer:
loss
Step-by-step explanation:
Selling an item for less than was paid gives a loss
Selling an item for more than was paid gives a profit
No, permutation is for finding out orders like how many ways can you arange the letters x,y,z the answer is 6, because xyz, xzy, yxz, yzx, zyx, zxy
permutations are a branch of probability
probability is (desired outcomes)/(total possible outcomes) or
10/total people registered
Answer:
someone will be with you in a moment
Step-by-step explanation:
