Answer:
Step-by-step explanation:
you want to use PEMDAS which is parenthesis exponents multiplication division addition subtraction and work your way from left to right. so 15+42=57 and then 24-9=15 and 81-15=66 hope this helped :)
Answer:
Penny will walk 2 and 1/8 miles in one hour.
Step-by-step explanation:
4 and 1/4 divided by two = 2 and 1/8
Ummmmmmmmmmmmmmmmmmmmm ummmm uhhhhgh
71.4 and to check just multiply 71.4 times 5 and it'll get 357
