The ratio of red cars to blue cars in a parking lot was 5 to 3 if there are 40 red cars how many blue cars are there

Sum is 17 and their difference is 3

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me