britney measured a house and its lot and made a scale drawing. the scale of the drawing was 3 centimeters = 1 meter. what is the drawing's scale factor?
simplify your answer and write it as a ratio, using a colon.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?