Jimmy read one fourth the time Connor read twice as Laura if Laura read for 4 hours how long did jimmy read

Which matrix multiplication is possible?

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?