12 miles in 48 minutes
12/48 or 1/4 miles per minute
Times 60 is 15 miles per hour
Answer:
49.33
Step-by-step explanation:
Answer:
-21
Step-by-step explanation:
-6x + 2y = -18.........(i)
-3x - 2y = 54...........(ii)
add equ.(ii) to equ. (i)
(-6x + [-3x]) + (2y + [-2y]) = -18 + 54
-9x = 36
x = -4
sub x= -4 into equ (i)
-6(-4) +2y = -18
24 + 2y = -18
24 +18 = -2y
42 = -2y
y = -21
Step-by-step explanation:
588 × 40 = 23,520 math problems they would solve that evening