The answer is between b&C. U divide the price by the pounds: 5.49/4=1.3725 & 6.99/5=1.98. U then estimate to the nearest thousandth, so the answer may be choice B
I am not sure about this but here goes nothing: d=2.5t+2.2 is very familiar to y=mx+b y=d m=2.5 x=t b=2.2 to find a new quasion we substitute d and t into place wich equals 1=2.5(0)+b simplification and you get b=1 so your answer is d=2.5t+1