Please help. Will mark brainiest if answer given is explained

2 answers
Question:

Please help. Will mark brainiest if answer given is explained

Answers

Step-by-step explanation:a) (4×20)-90= 80-90= -10 -> 460:10= 46+ 1(they were $10 short) = 47 carsb) (15×20)-90= 210 -> 460-210 = 250 -> 250÷10= 25c) (21×20)-90= 330 -> 460-330= 130-> 130÷10= 13d) (27×20)-90= 450-> 460-450= 10 -> 10÷10=1 e) (t×20)-90= 20t-90 -> 20t - 540 -> (20t-540)/10

Answer:bStep-by-step explanation:add 10 plus 20=30 times 15= 450 plus 10= 460  So the answer would be B. 15

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