A certain. Truck weigh 2 metric tons a person weighing 60 kilograms gets in truck followed by a 70 kilogram. Person. How many kilograms does the truck weigh with both people inside

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

What is the approximate difference in tenths between √12 and √15?

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday