Math problems hard for 3 graders

The Cheshire Cat is Multiplying 1/2 x 4/5 he says the answer will be greater than 4/5 do you agree or disagree why

A whale-watching tour boat cannot operate if the total passenger weight is more than 7,200,000 grams. What is the maximum number of tourists, weighing an average of 90 kilograms each, that can be allowed to take the tour?

Each patty contains 200 grams of ground beef. 467 burgers were sold, how many kilograms of ground beef were used

Find the value of 9x + 4y when x = 4 and y = - 3

Jeff and Rachel are going to choose a number between 1 and 1000. Jeff will round the number to the nearest 10; Rachel will round the number to the nearest 100. Whoever ends up with the largest number wins. If the number is the same then it is a draw.

Of 125 students in 5th grade, 3/5 of them have a mobile phone. How many students do not have a mobile phone?

Solve the formula for the indicated variable Force: f = ma; solve for m

Suppose that $88 comma 00088,000 is invested at 3 and one half3 1 2 % interest, compounded quarterly. a) find the function for the amount to which the investment grows after t years

What is 17,628 divided by 452?

Make d the subject of the formula a=cd