Answer: 12,600
Step-by-step explanation: 5% of 10,500 is 525. Multiply that by 4 and get 2,100. Add that to 10,500 and you get 12,600.
I'm not quite sure what you are asking here,
but I got x = 11.
Answer:
Step-by-step explanation:
lets look at the numbers
38-19=19
57-38=19
76-57=19
aₙ=aₙ-₁ +19
From 72 to 90 it is a 25% change
Answer:
x=2.8≈3
Step-by-step explanation:
x:2=7:5

by cross-multiplication
x×5=2×7
5x=14
x=14/5
x=2.8≈3
i hope this will help you :)