We must solve the following equation:
[tex]\frac{d}{7}=42[/tex]1) Multiplying both sides of the equation by 7 we have:
[tex]7\cdot\frac{d}{7}=7\cdot42[/tex]2) Cancelling the 7 in the numerator and denominator on the left:
[tex]d=7\cdot42=294[/tex]Answer: d = 294