Tom is going to make some concrete by mixing sand, cement and gravel in the ratio 1:3:4. Tom
wants to make 200kg of concrete mix.
He has 30kg of cement, 75kg of sand, and 105kg
of gravel. Does Tom have enough materials to
make the concrete mix?

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1