55% of 70 round to the nearest tenth

When only separate discreet points are graphed it is called?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers