28 miles
increasing by 40% = original + increase = 100 + 40 = 140% = 1.4
multiplying 20 by 1.4 gives total he will run
miles run = 1.4 × 20 = 28
Answer:
186 milligrams
Step-by-step explanation:
195 130
—— ——
279 X
Cross multiply
195x = 36270
——— ————
195 195
X = 186
Answer:
x ≤ 1/8
Step-by-step explanation:
Expand the parentheses
Simplify the arithmetic
Solve by distributing