Answer:
9
Step-by-step explanation:
30 - (9+4 x 3)
30 - (9 + 12)
30 - 21
= 9
10 cupcakes in total
1/5 of 10 is 2/10 so 2 cupcakes are chocolate
2*0.45=$0.90
Dora spent $0.90 on chocolate cupcakes
Answer:
The Answer is B
Step-by-step explanation:
+7 at the end means up 7
The - 4 in the middle represents right 4
These are found using basic rules of translating equations