Answer:
x=22
Step-by-step explanation:
4x+2+x+3x+2=180
collect like terms
4x+x+3x=180-(2+2)
8x=180-4
8x=176
make x the subject of the formula
x=176/8
x=22
10% of 70 is 7
.1 times 70 is 7
so the answer should be 70
690
12×36 + 258 = 690 For extending to 20 characters
The answer is C.
All of the other answers are incorrect
Ratio is the comparison of sizes of two quantities of the same unit. Proportions are the equality of two ratios. A/b =c/d