Dear Sweet21574, the answer is D. Squre pyramid.
1 gallon is $4.20
16.80/5=4.20
Answer: 50x+30y+5z= 690
40x+15y+5z= 620
45x+10y+5z= 510
Step-by-step explanation: The first equation to find units of wood, the second is for the units of fabric, and the third is for the units of stuffing.
Assuming that the probability of boys and girls is equal (in reality slightly more boys than girls are born), the probability is 1/2, simply because the older girl's gender is given and therefore not a part of the probability.
This question comes from the 'boy or girl paradox', a.k.a. the Mrs Smith Problem.
Daria has 12 to 15 nickels because 3x3=9 but u want to double the amount which would be 12 to 15
