Answer:
B: 5x+5.75
Step-by-step explanation:
2 cones with fruit:
cones= x+x=2x
fruit= $1 x 2=$2
=2x+ 2
3 cones with candy and syrup:
cones= x+x+x=3x
candy= $0.75x3=$2.25
syrup= $0.50x3=$1.50
3x+ (2.25+1.50)
=3x+3.75
both of them together=
(3x+3.75)+(2x+2)= 5x+5.75
Her estimate is lower than her actual cost because her total is 72.87 she is off by 1.72 because she only added 42,17,and 12 and forgot all about adding the cent or the .60,.38,and the .89.
Answer:
When heated calcium carbonate forms calcium oxide and carbon dioxide.