Answer:
Step-by-step explanation:
5 tables for 35 bucks.....unit cost is 35/5 = $ 7 bucks per table
30 chairs for 60 bucks...unit cost is 60/30 = $ 2 bucks per chair
The value of the 3 in 6300 os 300 and it is ten times as many as the 3 in 530
Answer:
B
Step-by-step explanation:
P(AUB)=P(A)+P(B)-P(A∩B)
191/400=7/20+P(B)-49/400
P(B)=191/400+49/400-7/20=240/400-7/20=12/20-7/20=5/20=1/4
Answer:

Step-by-step explanation:
Let the weight of box Y be w kg.
Box X weighs 33 kg more than Box Y, then the weight of box X is
kg.
Box Z weighs 12 kg more than Box Y, then the weight of box Z is
kg.
The total weight of all boxes is
kg
Jane measured the total weight of all the boxes and it was found to be 557 kg, therefore,

or

Answer:
both elements will be negative in rot.180°