Is the expression a valid way to calculate a 15% tip on a cab fare of d dollars? Answer yes or no

EXPRESSION

0.10d + 0.05d Yes or No

0.85d Yes or No

1.015d Yes or No

0.15d Yes or no

An ice cream shop sells 5 times as many cakes cones as waffle cones. use x to represent the number of waflle cones the ice cream shop sells and use the variable to write an expresion for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the the ice cream shop sells