+9=30 =21 {subtract 9 from both sides} 8x=147 {multiply both sides by 7 to cancel out the division (fraction)} x=18.375 {divide both sides by 8} The answer is A) 18 3/8
Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain