Answer:
12.6
Step-by-step explanation:
15−2(4.2−3)
=15−(2)(1.2)
=15−2.4
Explanation:
15 – 2 (4.2 - 3)
4.2 - 3 = 1.2
2 · 1.2 = 2.4
15 - 2.4 = 12.6
