Write a system of equations to describe the situation below, solve using substitution, and fill
in the blanks.
Amy works in the shipping department of a toy manufacturer. Toy cars weigh 3 kilograms
apiece and are shipped in a container that weighs 1 kilogram when empty. Toy trucks, which
weigh 1 kilogram apiece, are shipped in a container weighing 7 kilograms. When packed with
toys and ready for shipment, both kinds of containers have the same number of toys and the
same weight. What is the number of toys? What is the weight of each container?

Please I need help

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.