Answer:
Step-by-step explanation:
Answer -864338
i used this app photo math it does all the work for you and gives you a step by step on explaining the math problem
the first one is 267% and 400%
but i don't know for the 2nd
x - 3 > 10
20
7 x 4 = 28
so you do 5 x 4 and get 20