Answer:
5 cups of flour.
Step-by-step explanation:
she needs 2 times the amount of sugar as she does flour. (or half as much flour as sugar) 2.5 C of flour times 2 is 5 C of sugar.. so if she needs 10 C of sugar divided by 2 is 5C of flour.
1.) 2.5×?=5
2.)5÷2.5=2.....?=2
3.)10C sugar÷2=5C flour