Which information is necessary to solve this story problem?
there were 16 people at a backyard barbeque. the barbeque lasted for 4 hours. barry bought 2 hot dogs for each person. each hot dog cost $1.25. how much did barry spend altogether?
a.
2 hot dogs, 16 people, $1.25
b.
4 hours, 16 people, 2 hot dogs
c.
2 hot dogs, 16 people
d.
2 hot dogs, $1.25

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label