Answer: d = 1
Step-by-step explanation:
First distribute the 7 to each term of (6 + d) = 42 + 7d = 49 now subtract 42 from both sides which = 7d = 7. Divide by 7 = 7d/7 = 7/7 = d = 1
The probability of drawing a white marble =

∴ the probability of drawing a white marble = ³/₁₄
Could you show us a picture of the question
T=65$+(65$*.06)
T=65$+3.9$
T=68.9$